Home / 8,830.66-12,186.45-5,054.18

Finding the Fourth Proportional to 8,830.66, 12,186.45 and 5,054.18

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Solution

The fourth proportional to 8,830.66, 12,186.45 and 5,054.18 is: 6,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.66 : 12,186.45 = 5,054.18 : x
  2. Step 2: Convert to fraction form
    8,830.66/12,186.45 = 5,054.18/x
  3. Step 3: Cross multiply
    8,830.66x = 12,186.45 × 5,054.18
  4. Step 4: Simplify right side
    8,830.66x = 61,592,511.86
  5. Step 5: Solve for x
    x = 61,592,511.86/8,830.66
  6. Step 6: Final answer
    x = 6,974.85

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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.