Home / 10,500.31-15,754.11-4,661.02

Finding the Fourth Proportional to 10,500.31, 15,754.11 and 4,661.02

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Solution

The fourth proportional to 10,500.31, 15,754.11 and 4,661.02 is: 6,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.31 : 15,754.11 = 4,661.02 : x
  2. Step 2: Convert to fraction form
    10,500.31/15,754.11 = 4,661.02/x
  3. Step 3: Cross multiply
    10,500.31x = 15,754.11 × 4,661.02
  4. Step 4: Simplify right side
    10,500.31x = 73,430,221.79
  5. Step 5: Solve for x
    x = 73,430,221.79/10,500.31
  6. Step 6: Final answer
    x = 6,993.15

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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.