Home / 9,233.28-12,741.36-5,455.59

Finding the Fourth Proportional to 9,233.28, 12,741.36 and 5,455.59

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Solution

The fourth proportional to 9,233.28, 12,741.36 and 5,455.59 is: 7,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,233.28 : 12,741.36 = 5,455.59 : x
  2. Step 2: Convert to fraction form
    9,233.28/12,741.36 = 5,455.59/x
  3. Step 3: Cross multiply
    9,233.28x = 12,741.36 × 5,455.59
  4. Step 4: Simplify right side
    9,233.28x = 69,511,636.20
  5. Step 5: Solve for x
    x = 69,511,636.20/9,233.28
  6. Step 6: Final answer
    x = 7,528.38

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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.