Home / 10,252.91-14,148.97-5,715.53

Finding the Fourth Proportional to 10,252.91, 14,148.97 and 5,715.53

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Solution

The fourth proportional to 10,252.91, 14,148.97 and 5,715.53 is: 7,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.91 : 14,148.97 = 5,715.53 : x
  2. Step 2: Convert to fraction form
    10,252.91/14,148.97 = 5,715.53/x
  3. Step 3: Cross multiply
    10,252.91x = 14,148.97 × 5,715.53
  4. Step 4: Simplify right side
    10,252.91x = 80,868,830.53
  5. Step 5: Solve for x
    x = 80,868,830.53/10,252.91
  6. Step 6: Final answer
    x = 7,887.40

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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.