Home / 10,079.43-13,909.62-5,603.14

Finding the Fourth Proportional to 10,079.43, 13,909.62 and 5,603.14

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Solution

The fourth proportional to 10,079.43, 13,909.62 and 5,603.14 is: 7,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.43 : 13,909.62 = 5,603.14 : x
  2. Step 2: Convert to fraction form
    10,079.43/13,909.62 = 5,603.14/x
  3. Step 3: Cross multiply
    10,079.43x = 13,909.62 × 5,603.14
  4. Step 4: Simplify right side
    10,079.43x = 77,937,508.36
  5. Step 5: Solve for x
    x = 77,937,508.36/10,079.43
  6. Step 6: Final answer
    x = 7,732.34

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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.