Home / 10,647.76-15,971.46-4,411.12

Finding the Fourth Proportional to 10,647.76, 15,971.46 and 4,411.12

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Solution

The fourth proportional to 10,647.76, 15,971.46 and 4,411.12 is: 6,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.76 : 15,971.46 = 4,411.12 : x
  2. Step 2: Convert to fraction form
    10,647.76/15,971.46 = 4,411.12/x
  3. Step 3: Cross multiply
    10,647.76x = 15,971.46 × 4,411.12
  4. Step 4: Simplify right side
    10,647.76x = 70,452,026.64
  5. Step 5: Solve for x
    x = 70,452,026.64/10,647.76
  6. Step 6: Final answer
    x = 6,616.61

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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.