Home / 7,665.68-11,442.56-6,577.04

Finding the Fourth Proportional to 7,665.68, 11,442.56 and 6,577.04

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Solution

The fourth proportional to 7,665.68, 11,442.56 and 6,577.04 is: 9,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.68 : 11,442.56 = 6,577.04 : x
  2. Step 2: Convert to fraction form
    7,665.68/11,442.56 = 6,577.04/x
  3. Step 3: Cross multiply
    7,665.68x = 11,442.56 × 6,577.04
  4. Step 4: Simplify right side
    7,665.68x = 75,258,117.61
  5. Step 5: Solve for x
    x = 75,258,117.61/7,665.68
  6. Step 6: Final answer
    x = 9,817.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.