Home / 10,917.12-15,065.64-6,202.92

Finding the Fourth Proportional to 10,917.12, 15,065.64 and 6,202.92

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Solution

The fourth proportional to 10,917.12, 15,065.64 and 6,202.92 is: 8,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.12 : 15,065.64 = 6,202.92 : x
  2. Step 2: Convert to fraction form
    10,917.12/15,065.64 = 6,202.92/x
  3. Step 3: Cross multiply
    10,917.12x = 15,065.64 × 6,202.92
  4. Step 4: Simplify right side
    10,917.12x = 93,450,959.67
  5. Step 5: Solve for x
    x = 93,450,959.67/10,917.12
  6. Step 6: Final answer
    x = 8,560.04

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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.