Home / 8,748.20-12,064.55-5,762.95

Finding the Fourth Proportional to 8,748.20, 12,064.55 and 5,762.95

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Solution

The fourth proportional to 8,748.20, 12,064.55 and 5,762.95 is: 7,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.20 : 12,064.55 = 5,762.95 : x
  2. Step 2: Convert to fraction form
    8,748.20/12,064.55 = 5,762.95/x
  3. Step 3: Cross multiply
    8,748.20x = 12,064.55 × 5,762.95
  4. Step 4: Simplify right side
    8,748.20x = 69,527,339.45
  5. Step 5: Solve for x
    x = 69,527,339.45/8,748.20
  6. Step 6: Final answer
    x = 7,947.61

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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.