Home / 9,954.74-13,737.19-5,478.07

Finding the Fourth Proportional to 9,954.74, 13,737.19 and 5,478.07

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Solution

The fourth proportional to 9,954.74, 13,737.19 and 5,478.07 is: 7,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.74 : 13,737.19 = 5,478.07 : x
  2. Step 2: Convert to fraction form
    9,954.74/13,737.19 = 5,478.07/x
  3. Step 3: Cross multiply
    9,954.74x = 13,737.19 × 5,478.07
  4. Step 4: Simplify right side
    9,954.74x = 75,253,288.42
  5. Step 5: Solve for x
    x = 75,253,288.42/9,954.74
  6. Step 6: Final answer
    x = 7,559.54

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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.