Home / 12,248.71-18,381.24-4,457.52

Finding the Fourth Proportional to 12,248.71, 18,381.24 and 4,457.52

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Solution

The fourth proportional to 12,248.71, 18,381.24 and 4,457.52 is: 6,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.71 : 18,381.24 = 4,457.52 : x
  2. Step 2: Convert to fraction form
    12,248.71/18,381.24 = 4,457.52/x
  3. Step 3: Cross multiply
    12,248.71x = 18,381.24 × 4,457.52
  4. Step 4: Simplify right side
    12,248.71x = 81,934,744.92
  5. Step 5: Solve for x
    x = 81,934,744.92/12,248.71
  6. Step 6: Final answer
    x = 6,689.26

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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.