Home / 10,210.51-14,080.14-9,615.23

Finding the Fourth Proportional to 10,210.51, 14,080.14 and 9,615.23

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Solution

The fourth proportional to 10,210.51, 14,080.14 and 9,615.23 is: 13,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.51 : 14,080.14 = 9,615.23 : x
  2. Step 2: Convert to fraction form
    10,210.51/14,080.14 = 9,615.23/x
  3. Step 3: Cross multiply
    10,210.51x = 14,080.14 × 9,615.23
  4. Step 4: Simplify right side
    10,210.51x = 135,383,714.13
  5. Step 5: Solve for x
    x = 135,383,714.13/10,210.51
  6. Step 6: Final answer
    x = 13,259.25

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Half scale
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Double scale
Find fourth proportional to 10,211.51, 14,081.52 and 9,616.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.