Home / 12,348.56-17,040.88-6,683.18

Finding the Fourth Proportional to 12,348.56, 17,040.88 and 6,683.18

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Solution

The fourth proportional to 12,348.56, 17,040.88 and 6,683.18 is: 9,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.56 : 17,040.88 = 6,683.18 : x
  2. Step 2: Convert to fraction form
    12,348.56/17,040.88 = 6,683.18/x
  3. Step 3: Cross multiply
    12,348.56x = 17,040.88 × 6,683.18
  4. Step 4: Simplify right side
    12,348.56x = 113,887,294.29
  5. Step 5: Solve for x
    x = 113,887,294.29/12,348.56
  6. Step 6: Final answer
    x = 9,222.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.