Home / 9,371.18-12,930.09-5,595.56

Finding the Fourth Proportional to 9,371.18, 12,930.09 and 5,595.56

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Solution

The fourth proportional to 9,371.18, 12,930.09 and 5,595.56 is: 7,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.18 : 12,930.09 = 5,595.56 : x
  2. Step 2: Convert to fraction form
    9,371.18/12,930.09 = 5,595.56/x
  3. Step 3: Cross multiply
    9,371.18x = 12,930.09 × 5,595.56
  4. Step 4: Simplify right side
    9,371.18x = 72,351,126.73
  5. Step 5: Solve for x
    x = 72,351,126.73/9,371.18
  6. Step 6: Final answer
    x = 7,720.60

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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.