Home / 8,830.66-12,186.53-4,851.87

Finding the Fourth Proportional to 8,830.66, 12,186.53 and 4,851.87

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Solution

The fourth proportional to 8,830.66, 12,186.53 and 4,851.87 is: 6,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.66 : 12,186.53 = 4,851.87 : x
  2. Step 2: Convert to fraction form
    8,830.66/12,186.53 = 4,851.87/x
  3. Step 3: Cross multiply
    8,830.66x = 12,186.53 × 4,851.87
  4. Step 4: Simplify right side
    8,830.66x = 59,127,374.12
  5. Step 5: Solve for x
    x = 59,127,374.12/8,830.66
  6. Step 6: Final answer
    x = 6,695.70

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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.