Home / 7,538.95-11,312.12-5,331.97

Finding the Fourth Proportional to 7,538.95, 11,312.12 and 5,331.97

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Solution

The fourth proportional to 7,538.95, 11,312.12 and 5,331.97 is: 8,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.95 : 11,312.12 = 5,331.97 : x
  2. Step 2: Convert to fraction form
    7,538.95/11,312.12 = 5,331.97/x
  3. Step 3: Cross multiply
    7,538.95x = 11,312.12 × 5,331.97
  4. Step 4: Simplify right side
    7,538.95x = 60,315,842.64
  5. Step 5: Solve for x
    x = 60,315,842.64/7,538.95
  6. Step 6: Final answer
    x = 8,000.56

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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.