Home / 8,961.04-12,366.16-4,982.12

Finding the Fourth Proportional to 8,961.04, 12,366.16 and 4,982.12

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Solution

The fourth proportional to 8,961.04, 12,366.16 and 4,982.12 is: 6,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.04 : 12,366.16 = 4,982.12 : x
  2. Step 2: Convert to fraction form
    8,961.04/12,366.16 = 4,982.12/x
  3. Step 3: Cross multiply
    8,961.04x = 12,366.16 × 4,982.12
  4. Step 4: Simplify right side
    8,961.04x = 61,609,618.77
  5. Step 5: Solve for x
    x = 61,609,618.77/8,961.04
  6. Step 6: Final answer
    x = 6,875.28

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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.