Home / 10,870.68-15,001.46-6,154.92

Finding the Fourth Proportional to 10,870.68, 15,001.46 and 6,154.92

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Solution

The fourth proportional to 10,870.68, 15,001.46 and 6,154.92 is: 8,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.68 : 15,001.46 = 6,154.92 : x
  2. Step 2: Convert to fraction form
    10,870.68/15,001.46 = 6,154.92/x
  3. Step 3: Cross multiply
    10,870.68x = 15,001.46 × 6,154.92
  4. Step 4: Simplify right side
    10,870.68x = 92,332,786.18
  5. Step 5: Solve for x
    x = 92,332,786.18/10,870.68
  6. Step 6: Final answer
    x = 8,493.75

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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.