Home / 9,231.48-12,737.76-5,454.36

Finding the Fourth Proportional to 9,231.48, 12,737.76 and 5,454.36

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Solution

The fourth proportional to 9,231.48, 12,737.76 and 5,454.36 is: 7,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.48 : 12,737.76 = 5,454.36 : x
  2. Step 2: Convert to fraction form
    9,231.48/12,737.76 = 5,454.36/x
  3. Step 3: Cross multiply
    9,231.48x = 12,737.76 × 5,454.36
  4. Step 4: Simplify right side
    9,231.48x = 69,476,328.63
  5. Step 5: Solve for x
    x = 69,476,328.63/9,231.48
  6. Step 6: Final answer
    x = 7,526.02

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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.