Home / 7,117.52-10,660.68-5,870.88

Finding the Fourth Proportional to 7,117.52, 10,660.68 and 5,870.88

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Solution

The fourth proportional to 7,117.52, 10,660.68 and 5,870.88 is: 8,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.52 : 10,660.68 = 5,870.88 : x
  2. Step 2: Convert to fraction form
    7,117.52/10,660.68 = 5,870.88/x
  3. Step 3: Cross multiply
    7,117.52x = 10,660.68 × 5,870.88
  4. Step 4: Simplify right side
    7,117.52x = 62,587,573.00
  5. Step 5: Solve for x
    x = 62,587,573.00/7,117.52
  6. Step 6: Final answer
    x = 8,793.45

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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.