Home / 10,957.47-15,117.61-6,238.41

Finding the Fourth Proportional to 10,957.47, 15,117.61 and 6,238.41

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Solution

The fourth proportional to 10,957.47, 15,117.61 and 6,238.41 is: 8,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.47 : 15,117.61 = 6,238.41 : x
  2. Step 2: Convert to fraction form
    10,957.47/15,117.61 = 6,238.41/x
  3. Step 3: Cross multiply
    10,957.47x = 15,117.61 × 6,238.41
  4. Step 4: Simplify right side
    10,957.47x = 94,309,849.40
  5. Step 5: Solve for x
    x = 94,309,849.40/10,957.47
  6. Step 6: Final answer
    x = 8,606.90

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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.