Home / 9,423.38-13,002.75-5,445.02

Finding the Fourth Proportional to 9,423.38, 13,002.75 and 5,445.02

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Solution

The fourth proportional to 9,423.38, 13,002.75 and 5,445.02 is: 7,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.38 : 13,002.75 = 5,445.02 : x
  2. Step 2: Convert to fraction form
    9,423.38/13,002.75 = 5,445.02/x
  3. Step 3: Cross multiply
    9,423.38x = 13,002.75 × 5,445.02
  4. Step 4: Simplify right side
    9,423.38x = 70,800,233.81
  5. Step 5: Solve for x
    x = 70,800,233.81/9,423.38
  6. Step 6: Final answer
    x = 7,513.25

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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.