Home / 10,483.91-15,728.88-6,105.05

Finding the Fourth Proportional to 10,483.91, 15,728.88 and 6,105.05

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Solution

The fourth proportional to 10,483.91, 15,728.88 and 6,105.05 is: 9,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,483.91 : 15,728.88 = 6,105.05 : x
  2. Step 2: Convert to fraction form
    10,483.91/15,728.88 = 6,105.05/x
  3. Step 3: Cross multiply
    10,483.91x = 15,728.88 × 6,105.05
  4. Step 4: Simplify right side
    10,483.91x = 96,025,598.84
  5. Step 5: Solve for x
    x = 96,025,598.84/10,483.91
  6. Step 6: Final answer
    x = 9,159.33

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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.