Home / 10,303.88-14,219.35-5,588.19

Finding the Fourth Proportional to 10,303.88, 14,219.35 and 5,588.19

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Solution

The fourth proportional to 10,303.88, 14,219.35 and 5,588.19 is: 7,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.88 : 14,219.35 = 5,588.19 : x
  2. Step 2: Convert to fraction form
    10,303.88/14,219.35 = 5,588.19/x
  3. Step 3: Cross multiply
    10,303.88x = 14,219.35 × 5,588.19
  4. Step 4: Simplify right side
    10,303.88x = 79,460,415.51
  5. Step 5: Solve for x
    x = 79,460,415.51/10,303.88
  6. Step 6: Final answer
    x = 7,711.70

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Half scale
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Double scale
Find fourth proportional to 10,304.88, 14,220.73 and 5,589.19
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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.