Home / 9,402.49-12,974.74-5,152.87

Finding the Fourth Proportional to 9,402.49, 12,974.74 and 5,152.87

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Solution

The fourth proportional to 9,402.49, 12,974.74 and 5,152.87 is: 7,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.49 : 12,974.74 = 5,152.87 : x
  2. Step 2: Convert to fraction form
    9,402.49/12,974.74 = 5,152.87/x
  3. Step 3: Cross multiply
    9,402.49x = 12,974.74 × 5,152.87
  4. Step 4: Simplify right side
    9,402.49x = 66,857,148.50
  5. Step 5: Solve for x
    x = 66,857,148.50/9,402.49
  6. Step 6: Final answer
    x = 7,110.58

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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.