Home / 8,708.58-12,017.52-4,729.61

Finding the Fourth Proportional to 8,708.58, 12,017.52 and 4,729.61

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Solution

The fourth proportional to 8,708.58, 12,017.52 and 4,729.61 is: 6,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.58 : 12,017.52 = 4,729.61 : x
  2. Step 2: Convert to fraction form
    8,708.58/12,017.52 = 4,729.61/x
  3. Step 3: Cross multiply
    8,708.58x = 12,017.52 × 4,729.61
  4. Step 4: Simplify right side
    8,708.58x = 56,838,122.68
  5. Step 5: Solve for x
    x = 56,838,122.68/8,708.58
  6. Step 6: Final answer
    x = 6,526.68

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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.