Home / 10,372.12-14,313.46-5,656.36

Finding the Fourth Proportional to 10,372.12, 14,313.46 and 5,656.36

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Solution

The fourth proportional to 10,372.12, 14,313.46 and 5,656.36 is: 7,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.12 : 14,313.46 = 5,656.36 : x
  2. Step 2: Convert to fraction form
    10,372.12/14,313.46 = 5,656.36/x
  3. Step 3: Cross multiply
    10,372.12x = 14,313.46 × 5,656.36
  4. Step 4: Simplify right side
    10,372.12x = 80,962,082.61
  5. Step 5: Solve for x
    x = 80,962,082.61/10,372.12
  6. Step 6: Final answer
    x = 7,805.74

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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.