Home / 8,050.28-11,050.13-7,146.32

Finding the Fourth Proportional to 8,050.28, 11,050.13 and 7,146.32

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Solution

The fourth proportional to 8,050.28, 11,050.13 and 7,146.32 is: 9,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,050.28 : 11,050.13 = 7,146.32 : x
  2. Step 2: Convert to fraction form
    8,050.28/11,050.13 = 7,146.32/x
  3. Step 3: Cross multiply
    8,050.28x = 11,050.13 × 7,146.32
  4. Step 4: Simplify right side
    8,050.28x = 78,967,810.51
  5. Step 5: Solve for x
    x = 78,967,810.51/8,050.28
  6. Step 6: Final answer
    x = 9,809.32

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Half scale
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Double scale
Find fourth proportional to 8,051.28, 11,051.51 and 7,147.32
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.