Home / 8,015.14-11,055.33-7,354.18

Finding the Fourth Proportional to 8,015.14, 11,055.33 and 7,354.18

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Solution

The fourth proportional to 8,015.14, 11,055.33 and 7,354.18 is: 10,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.14 : 11,055.33 = 7,354.18 : x
  2. Step 2: Convert to fraction form
    8,015.14/11,055.33 = 7,354.18/x
  3. Step 3: Cross multiply
    8,015.14x = 11,055.33 × 7,354.18
  4. Step 4: Simplify right side
    8,015.14x = 81,302,886.78
  5. Step 5: Solve for x
    x = 81,302,886.78/8,015.14
  6. Step 6: Final answer
    x = 10,143.66

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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.