Home / 9,715.10-14,561.85-5,335.70

Finding the Fourth Proportional to 9,715.10, 14,561.85 and 5,335.70

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Solution

The fourth proportional to 9,715.10, 14,561.85 and 5,335.70 is: 7,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.10 : 14,561.85 = 5,335.70 : x
  2. Step 2: Convert to fraction form
    9,715.10/14,561.85 = 5,335.70/x
  3. Step 3: Cross multiply
    9,715.10x = 14,561.85 × 5,335.70
  4. Step 4: Simplify right side
    9,715.10x = 77,697,663.05
  5. Step 5: Solve for x
    x = 77,697,663.05/9,715.10
  6. Step 6: Final answer
    x = 7,997.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.