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Finding the Fourth Proportional to 8,793.44, 12,130.40 and 5,206.36

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Solution

The fourth proportional to 8,793.44, 12,130.40 and 5,206.36 is: 7,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.44 : 12,130.40 = 5,206.36 : x
  2. Step 2: Convert to fraction form
    8,793.44/12,130.40 = 5,206.36/x
  3. Step 3: Cross multiply
    8,793.44x = 12,130.40 × 5,206.36
  4. Step 4: Simplify right side
    8,793.44x = 63,155,229.34
  5. Step 5: Solve for x
    x = 63,155,229.34/8,793.44
  6. Step 6: Final answer
    x = 7,182.08

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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.