Home / 7,104.48-10,641.20-5,857.88

Finding the Fourth Proportional to 7,104.48, 10,641.20 and 5,857.88

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Solution

The fourth proportional to 7,104.48, 10,641.20 and 5,857.88 is: 8,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.48 : 10,641.20 = 5,857.88 : x
  2. Step 2: Convert to fraction form
    7,104.48/10,641.20 = 5,857.88/x
  3. Step 3: Cross multiply
    7,104.48x = 10,641.20 × 5,857.88
  4. Step 4: Simplify right side
    7,104.48x = 62,334,872.66
  5. Step 5: Solve for x
    x = 62,334,872.66/7,104.48
  6. Step 6: Final answer
    x = 8,774.02

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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.