Home / 11,248.76-15,524.54-6,772.72

Finding the Fourth Proportional to 11,248.76, 15,524.54 and 6,772.72

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Solution

The fourth proportional to 11,248.76, 15,524.54 and 6,772.72 is: 9,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.76 : 15,524.54 = 6,772.72 : x
  2. Step 2: Convert to fraction form
    11,248.76/15,524.54 = 6,772.72/x
  3. Step 3: Cross multiply
    11,248.76x = 15,524.54 × 6,772.72
  4. Step 4: Simplify right side
    11,248.76x = 105,143,362.55
  5. Step 5: Solve for x
    x = 105,143,362.55/11,248.76
  6. Step 6: Final answer
    x = 9,347.11

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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.