Home / 11,248.23-15,524.73-6,471.39

Finding the Fourth Proportional to 11,248.23, 15,524.73 and 6,471.39

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Solution

The fourth proportional to 11,248.23, 15,524.73 and 6,471.39 is: 8,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.23 : 15,524.73 = 6,471.39 : x
  2. Step 2: Convert to fraction form
    11,248.23/15,524.73 = 6,471.39/x
  3. Step 3: Cross multiply
    11,248.23x = 15,524.73 × 6,471.39
  4. Step 4: Simplify right side
    11,248.23x = 100,466,582.47
  5. Step 5: Solve for x
    x = 100,466,582.47/11,248.23
  6. Step 6: Final answer
    x = 8,931.77

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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.