Home / 31,433.03-47,148.13-9,247.13

Finding the Fourth Proportional to 31,433.03, 47,148.13 and 9,247.13

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Solution

The fourth proportional to 31,433.03, 47,148.13 and 9,247.13 is: 13,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.03 : 47,148.13 = 9,247.13 : x
  2. Step 2: Convert to fraction form
    31,433.03/47,148.13 = 9,247.13/x
  3. Step 3: Cross multiply
    31,433.03x = 47,148.13 × 9,247.13
  4. Step 4: Simplify right side
    31,433.03x = 435,984,841.13
  5. Step 5: Solve for x
    x = 435,984,841.13/31,433.03
  6. Step 6: Final answer
    x = 13,870.28

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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.