Home / 8,968.59-13,436.66-5,015.12

Finding the Fourth Proportional to 8,968.59, 13,436.66 and 5,015.12

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Solution

The fourth proportional to 8,968.59, 13,436.66 and 5,015.12 is: 7,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.59 : 13,436.66 = 5,015.12 : x
  2. Step 2: Convert to fraction form
    8,968.59/13,436.66 = 5,015.12/x
  3. Step 3: Cross multiply
    8,968.59x = 13,436.66 × 5,015.12
  4. Step 4: Simplify right side
    8,968.59x = 67,386,407.65
  5. Step 5: Solve for x
    x = 67,386,407.65/8,968.59
  6. Step 6: Final answer
    x = 7,513.60

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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.