Home / 9,018.92-12,445.80-5,039.96

Finding the Fourth Proportional to 9,018.92, 12,445.80 and 5,039.96

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Solution

The fourth proportional to 9,018.92, 12,445.80 and 5,039.96 is: 6,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.92 : 12,445.80 = 5,039.96 : x
  2. Step 2: Convert to fraction form
    9,018.92/12,445.80 = 5,039.96/x
  3. Step 3: Cross multiply
    9,018.92x = 12,445.80 × 5,039.96
  4. Step 4: Simplify right side
    9,018.92x = 62,726,334.17
  5. Step 5: Solve for x
    x = 62,726,334.17/9,018.92
  6. Step 6: Final answer
    x = 6,954.97

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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.