Home / 12,079.44-16,663.95-8,544.60

Finding the Fourth Proportional to 12,079.44, 16,663.95 and 8,544.60

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Solution

The fourth proportional to 12,079.44, 16,663.95 and 8,544.60 is: 11,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.44 : 16,663.95 = 8,544.60 : x
  2. Step 2: Convert to fraction form
    12,079.44/16,663.95 = 8,544.60/x
  3. Step 3: Cross multiply
    12,079.44x = 16,663.95 × 8,544.60
  4. Step 4: Simplify right side
    12,079.44x = 142,386,787.17
  5. Step 5: Solve for x
    x = 142,386,787.17/12,079.44
  6. Step 6: Final answer
    x = 11,787.53

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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.