Home / 10,948.96-15,108.05-6,168.11

Finding the Fourth Proportional to 10,948.96, 15,108.05 and 6,168.11

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Solution

The fourth proportional to 10,948.96, 15,108.05 and 6,168.11 is: 8,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.96 : 15,108.05 = 6,168.11 : x
  2. Step 2: Convert to fraction form
    10,948.96/15,108.05 = 6,168.11/x
  3. Step 3: Cross multiply
    10,948.96x = 15,108.05 × 6,168.11
  4. Step 4: Simplify right side
    10,948.96x = 93,188,054.17
  5. Step 5: Solve for x
    x = 93,188,054.17/10,948.96
  6. Step 6: Final answer
    x = 8,511.13

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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.