Home / 10,133.10-15,215.21-9,032.86

Finding the Fourth Proportional to 10,133.10, 15,215.21 and 9,032.86

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Solution

The fourth proportional to 10,133.10, 15,215.21 and 9,032.86 is: 13,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.10 : 15,215.21 = 9,032.86 : x
  2. Step 2: Convert to fraction form
    10,133.10/15,215.21 = 9,032.86/x
  3. Step 3: Cross multiply
    10,133.10x = 15,215.21 × 9,032.86
  4. Step 4: Simplify right side
    10,133.10x = 137,436,785.72
  5. Step 5: Solve for x
    x = 137,436,785.72/10,133.10
  6. Step 6: Final answer
    x = 13,563.15

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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.