Home / 7,108.24-9,812.08-5,591.88

Finding the Fourth Proportional to 7,108.24, 9,812.08 and 5,591.88

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Solution

The fourth proportional to 7,108.24, 9,812.08 and 5,591.88 is: 7,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.24 : 9,812.08 = 5,591.88 : x
  2. Step 2: Convert to fraction form
    7,108.24/9,812.08 = 5,591.88/x
  3. Step 3: Cross multiply
    7,108.24x = 9,812.08 × 5,591.88
  4. Step 4: Simplify right side
    7,108.24x = 54,867,973.91
  5. Step 5: Solve for x
    x = 54,867,973.91/7,108.24
  6. Step 6: Final answer
    x = 7,718.93

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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.