Home / 8,907.20-13,346.16-5,612.12

Finding the Fourth Proportional to 8,907.20, 13,346.16 and 5,612.12

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Solution

The fourth proportional to 8,907.20, 13,346.16 and 5,612.12 is: 8,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.20 : 13,346.16 = 5,612.12 : x
  2. Step 2: Convert to fraction form
    8,907.20/13,346.16 = 5,612.12/x
  3. Step 3: Cross multiply
    8,907.20x = 13,346.16 × 5,612.12
  4. Step 4: Simplify right side
    8,907.20x = 74,900,251.46
  5. Step 5: Solve for x
    x = 74,900,251.46/8,907.20
  6. Step 6: Final answer
    x = 8,408.96

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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.