Home / 8,487.04-11,711.68-4,710.16

Finding the Fourth Proportional to 8,487.04, 11,711.68 and 4,710.16

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Solution

The fourth proportional to 8,487.04, 11,711.68 and 4,710.16 is: 6,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.04 : 11,711.68 = 4,710.16 : x
  2. Step 2: Convert to fraction form
    8,487.04/11,711.68 = 4,710.16/x
  3. Step 3: Cross multiply
    8,487.04x = 11,711.68 × 4,710.16
  4. Step 4: Simplify right side
    8,487.04x = 55,163,886.67
  5. Step 5: Solve for x
    x = 55,163,886.67/8,487.04
  6. Step 6: Final answer
    x = 6,499.78

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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.