Home / 8,729.46-12,046.26-4,952.40

Finding the Fourth Proportional to 8,729.46, 12,046.26 and 4,952.40

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Solution

The fourth proportional to 8,729.46, 12,046.26 and 4,952.40 is: 6,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.46 : 12,046.26 = 4,952.40 : x
  2. Step 2: Convert to fraction form
    8,729.46/12,046.26 = 4,952.40/x
  3. Step 3: Cross multiply
    8,729.46x = 12,046.26 × 4,952.40
  4. Step 4: Simplify right side
    8,729.46x = 59,657,898.02
  5. Step 5: Solve for x
    x = 59,657,898.02/8,729.46
  6. Step 6: Final answer
    x = 6,834.09

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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.