Home / 8,807.54-12,154.96-5,818.13

Finding the Fourth Proportional to 8,807.54, 12,154.96 and 5,818.13

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Solution

The fourth proportional to 8,807.54, 12,154.96 and 5,818.13 is: 8,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.54 : 12,154.96 = 5,818.13 : x
  2. Step 2: Convert to fraction form
    8,807.54/12,154.96 = 5,818.13/x
  3. Step 3: Cross multiply
    8,807.54x = 12,154.96 × 5,818.13
  4. Step 4: Simplify right side
    8,807.54x = 70,719,129.50
  5. Step 5: Solve for x
    x = 70,719,129.50/8,807.54
  6. Step 6: Final answer
    x = 8,029.39

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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.