Home / 9,715.26-13,406.28-5,937.12

Finding the Fourth Proportional to 9,715.26, 13,406.28 and 5,937.12

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Solution

The fourth proportional to 9,715.26, 13,406.28 and 5,937.12 is: 8,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.26 : 13,406.28 = 5,937.12 : x
  2. Step 2: Convert to fraction form
    9,715.26/13,406.28 = 5,937.12/x
  3. Step 3: Cross multiply
    9,715.26x = 13,406.28 × 5,937.12
  4. Step 4: Simplify right side
    9,715.26x = 79,594,693.11
  5. Step 5: Solve for x
    x = 79,594,693.11/9,715.26
  6. Step 6: Final answer
    x = 8,192.75

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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.