Home / 10,555.92-15,818.15-9,622.36

Finding the Fourth Proportional to 10,555.92, 15,818.15 and 9,622.36

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Solution

The fourth proportional to 10,555.92, 15,818.15 and 9,622.36 is: 14,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.92 : 15,818.15 = 9,622.36 : x
  2. Step 2: Convert to fraction form
    10,555.92/15,818.15 = 9,622.36/x
  3. Step 3: Cross multiply
    10,555.92x = 15,818.15 × 9,622.36
  4. Step 4: Simplify right side
    10,555.92x = 152,207,977.66
  5. Step 5: Solve for x
    x = 152,207,977.66/10,555.92
  6. Step 6: Final answer
    x = 14,419.21

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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.