Home / 12,000.18-16,565.70-8,807.88

Finding the Fourth Proportional to 12,000.18, 16,565.70 and 8,807.88

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Solution

The fourth proportional to 12,000.18, 16,565.70 and 8,807.88 is: 12,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.18 : 16,565.70 = 8,807.88 : x
  2. Step 2: Convert to fraction form
    12,000.18/16,565.70 = 8,807.88/x
  3. Step 3: Cross multiply
    12,000.18x = 16,565.70 × 8,807.88
  4. Step 4: Simplify right side
    12,000.18x = 145,908,697.72
  5. Step 5: Solve for x
    x = 145,908,697.72/12,000.18
  6. Step 6: Final answer
    x = 12,158.88

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Double scale
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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.