Home / 8,827.65-13,237.20-5,130.95

Finding the Fourth Proportional to 8,827.65, 13,237.20 and 5,130.95

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Solution

The fourth proportional to 8,827.65, 13,237.20 and 5,130.95 is: 7,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.65 : 13,237.20 = 5,130.95 : x
  2. Step 2: Convert to fraction form
    8,827.65/13,237.20 = 5,130.95/x
  3. Step 3: Cross multiply
    8,827.65x = 13,237.20 × 5,130.95
  4. Step 4: Simplify right side
    8,827.65x = 67,919,345.15
  5. Step 5: Solve for x
    x = 67,919,345.15/8,827.65
  6. Step 6: Final answer
    x = 7,693.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.