Home / 9,324.24-12,867-5,132.40

Finding the Fourth Proportional to 9,324.24, 12,867 and 5,132.40

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Solution

The fourth proportional to 9,324.24, 12,867 and 5,132.40 is: 7,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.24 : 12,867 = 5,132.40 : x
  2. Step 2: Convert to fraction form
    9,324.24/12,867 = 5,132.40/x
  3. Step 3: Cross multiply
    9,324.24x = 12,867 × 5,132.40
  4. Step 4: Simplify right side
    9,324.24x = 66,038,590.80
  5. Step 5: Solve for x
    x = 66,038,590.80/9,324.24
  6. Step 6: Final answer
    x = 7,082.46

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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.