Home / 10,483.92-15,728.88-6,105.06

Finding the Fourth Proportional to 10,483.92, 15,728.88 and 6,105.06

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Solution

The fourth proportional to 10,483.92, 15,728.88 and 6,105.06 is: 9,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,483.92 : 15,728.88 = 6,105.06 : x
  2. Step 2: Convert to fraction form
    10,483.92/15,728.88 = 6,105.06/x
  3. Step 3: Cross multiply
    10,483.92x = 15,728.88 × 6,105.06
  4. Step 4: Simplify right side
    10,483.92x = 96,025,756.13
  5. Step 5: Solve for x
    x = 96,025,756.13/10,483.92
  6. Step 6: Final answer
    x = 9,159.34

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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.