Home / 8,907.12-13,360.67-3,572.71

Finding the Fourth Proportional to 8,907.12, 13,360.67 and 3,572.71

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Solution

The fourth proportional to 8,907.12, 13,360.67 and 3,572.71 is: 5,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.12 : 13,360.67 = 3,572.71 : x
  2. Step 2: Convert to fraction form
    8,907.12/13,360.67 = 3,572.71/x
  3. Step 3: Cross multiply
    8,907.12x = 13,360.67 × 3,572.71
  4. Step 4: Simplify right side
    8,907.12x = 47,733,765.91
  5. Step 5: Solve for x
    x = 47,733,765.91/8,907.12
  6. Step 6: Final answer
    x = 5,359.06

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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.