Home / 7,581.47-11,373.87-2,316.92

Finding the Fourth Proportional to 7,581.47, 11,373.87 and 2,316.92

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Solution

The fourth proportional to 7,581.47, 11,373.87 and 2,316.92 is: 3,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.47 : 11,373.87 = 2,316.92 : x
  2. Step 2: Convert to fraction form
    7,581.47/11,373.87 = 2,316.92/x
  3. Step 3: Cross multiply
    7,581.47x = 11,373.87 × 2,316.92
  4. Step 4: Simplify right side
    7,581.47x = 26,352,346.88
  5. Step 5: Solve for x
    x = 26,352,346.88/7,581.47
  6. Step 6: Final answer
    x = 3,475.89

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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.