Home / 10,078.10-15,117.15-6,368.30

Finding the Fourth Proportional to 10,078.10, 15,117.15 and 6,368.30

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Solution

The fourth proportional to 10,078.10, 15,117.15 and 6,368.30 is: 9,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.10 : 15,117.15 = 6,368.30 : x
  2. Step 2: Convert to fraction form
    10,078.10/15,117.15 = 6,368.30/x
  3. Step 3: Cross multiply
    10,078.10x = 15,117.15 × 6,368.30
  4. Step 4: Simplify right side
    10,078.10x = 96,270,546.35
  5. Step 5: Solve for x
    x = 96,270,546.35/10,078.10
  6. Step 6: Final answer
    x = 9,552.45

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Similar ratio
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1.5x scale

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.