Home / 10,548.04-14,558.52-8,777.92

Finding the Fourth Proportional to 10,548.04, 14,558.52 and 8,777.92

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Solution

The fourth proportional to 10,548.04, 14,558.52 and 8,777.92 is: 12,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.04 : 14,558.52 = 8,777.92 : x
  2. Step 2: Convert to fraction form
    10,548.04/14,558.52 = 8,777.92/x
  3. Step 3: Cross multiply
    10,548.04x = 14,558.52 × 8,777.92
  4. Step 4: Simplify right side
    10,548.04x = 127,793,523.88
  5. Step 5: Solve for x
    x = 127,793,523.88/10,548.04
  6. Step 6: Final answer
    x = 12,115.38

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Half scale
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Double scale
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Similar ratio
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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.