Home / 10,948.13-15,108.47-5,980.13

Finding the Fourth Proportional to 10,948.13, 15,108.47 and 5,980.13

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Solution

The fourth proportional to 10,948.13, 15,108.47 and 5,980.13 is: 8,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.13 : 15,108.47 = 5,980.13 : x
  2. Step 2: Convert to fraction form
    10,948.13/15,108.47 = 5,980.13/x
  3. Step 3: Cross multiply
    10,948.13x = 15,108.47 × 5,980.13
  4. Step 4: Simplify right side
    10,948.13x = 90,350,554.11
  5. Step 5: Solve for x
    x = 90,350,554.11/10,948.13
  6. Step 6: Final answer
    x = 8,252.61

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Double scale
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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.