Home / 9,726.50-13,423.20-5,534.76

Finding the Fourth Proportional to 9,726.50, 13,423.20 and 5,534.76

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Solution

The fourth proportional to 9,726.50, 13,423.20 and 5,534.76 is: 7,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.50 : 13,423.20 = 5,534.76 : x
  2. Step 2: Convert to fraction form
    9,726.50/13,423.20 = 5,534.76/x
  3. Step 3: Cross multiply
    9,726.50x = 13,423.20 × 5,534.76
  4. Step 4: Simplify right side
    9,726.50x = 74,294,190.43
  5. Step 5: Solve for x
    x = 74,294,190.43/9,726.50
  6. Step 6: Final answer
    x = 7,638.33

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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.