Home / 10,863.07-14,990.92-6,147.34

Finding the Fourth Proportional to 10,863.07, 14,990.92 and 6,147.34

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Solution

The fourth proportional to 10,863.07, 14,990.92 and 6,147.34 is: 8,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.07 : 14,990.92 = 6,147.34 : x
  2. Step 2: Convert to fraction form
    10,863.07/14,990.92 = 6,147.34/x
  3. Step 3: Cross multiply
    10,863.07x = 14,990.92 × 6,147.34
  4. Step 4: Simplify right side
    10,863.07x = 92,154,282.15
  5. Step 5: Solve for x
    x = 92,154,282.15/10,863.07
  6. Step 6: Final answer
    x = 8,483.26

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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.