Home / 11,337.45-15,635.21-7,087.16

Finding the Fourth Proportional to 11,337.45, 15,635.21 and 7,087.16

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Solution

The fourth proportional to 11,337.45, 15,635.21 and 7,087.16 is: 9,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.45 : 15,635.21 = 7,087.16 : x
  2. Step 2: Convert to fraction form
    11,337.45/15,635.21 = 7,087.16/x
  3. Step 3: Cross multiply
    11,337.45x = 15,635.21 × 7,087.16
  4. Step 4: Simplify right side
    11,337.45x = 110,809,278.42
  5. Step 5: Solve for x
    x = 110,809,278.42/11,337.45
  6. Step 6: Final answer
    x = 9,773.74

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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.