Home / 12,260.76-16,919.17-6,957.28

Finding the Fourth Proportional to 12,260.76, 16,919.17 and 6,957.28

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Solution

The fourth proportional to 12,260.76, 16,919.17 and 6,957.28 is: 9,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.76 : 16,919.17 = 6,957.28 : x
  2. Step 2: Convert to fraction form
    12,260.76/16,919.17 = 6,957.28/x
  3. Step 3: Cross multiply
    12,260.76x = 16,919.17 × 6,957.28
  4. Step 4: Simplify right side
    12,260.76x = 117,711,403.06
  5. Step 5: Solve for x
    x = 117,711,403.06/12,260.76
  6. Step 6: Final answer
    x = 9,600.66

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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.