Home / 12,499.18-18,752.40-5,916.28

Finding the Fourth Proportional to 12,499.18, 18,752.40 and 5,916.28

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Solution

The fourth proportional to 12,499.18, 18,752.40 and 5,916.28 is: 8,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.18 : 18,752.40 = 5,916.28 : x
  2. Step 2: Convert to fraction form
    12,499.18/18,752.40 = 5,916.28/x
  3. Step 3: Cross multiply
    12,499.18x = 18,752.40 × 5,916.28
  4. Step 4: Simplify right side
    12,499.18x = 110,944,449.07
  5. Step 5: Solve for x
    x = 110,944,449.07/12,499.18
  6. Step 6: Final answer
    x = 8,876.14

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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.