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Finding the Fourth Proportional to 8,386.32, 12,560.04 and 8,094.72

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Solution

The fourth proportional to 8,386.32, 12,560.04 and 8,094.72 is: 12,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.32 : 12,560.04 = 8,094.72 : x
  2. Step 2: Convert to fraction form
    8,386.32/12,560.04 = 8,094.72/x
  3. Step 3: Cross multiply
    8,386.32x = 12,560.04 × 8,094.72
  4. Step 4: Simplify right side
    8,386.32x = 101,670,006.99
  5. Step 5: Solve for x
    x = 101,670,006.99/8,386.32
  6. Step 6: Final answer
    x = 12,123.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.