Home / 9,093.52-12,549.36-5,115.40

Finding the Fourth Proportional to 9,093.52, 12,549.36 and 5,115.40

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Solution

The fourth proportional to 9,093.52, 12,549.36 and 5,115.40 is: 7,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,093.52 : 12,549.36 = 5,115.40 : x
  2. Step 2: Convert to fraction form
    9,093.52/12,549.36 = 5,115.40/x
  3. Step 3: Cross multiply
    9,093.52x = 12,549.36 × 5,115.40
  4. Step 4: Simplify right side
    9,093.52x = 64,194,996.14
  5. Step 5: Solve for x
    x = 64,194,996.14/9,093.52
  6. Step 6: Final answer
    x = 7,059.42

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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.