Home / 9,422.92-12,987.30-7,060.96

Finding the Fourth Proportional to 9,422.92, 12,987.30 and 7,060.96

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Solution

The fourth proportional to 9,422.92, 12,987.30 and 7,060.96 is: 9,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.92 : 12,987.30 = 7,060.96 : x
  2. Step 2: Convert to fraction form
    9,422.92/12,987.30 = 7,060.96/x
  3. Step 3: Cross multiply
    9,422.92x = 12,987.30 × 7,060.96
  4. Step 4: Simplify right side
    9,422.92x = 91,702,805.81
  5. Step 5: Solve for x
    x = 91,702,805.81/9,422.92
  6. Step 6: Final answer
    x = 9,731.89

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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.