Home / 12,324.32-18,490.56-5,301.12

Finding the Fourth Proportional to 12,324.32, 18,490.56 and 5,301.12

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Solution

The fourth proportional to 12,324.32, 18,490.56 and 5,301.12 is: 7,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.32 : 18,490.56 = 5,301.12 : x
  2. Step 2: Convert to fraction form
    12,324.32/18,490.56 = 5,301.12/x
  3. Step 3: Cross multiply
    12,324.32x = 18,490.56 × 5,301.12
  4. Step 4: Simplify right side
    12,324.32x = 98,020,677.43
  5. Step 5: Solve for x
    x = 98,020,677.43/12,324.32
  6. Step 6: Final answer
    x = 7,953.43

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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.