Home / 7,546.38-10,423.98-6,291.54

Finding the Fourth Proportional to 7,546.38, 10,423.98 and 6,291.54

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Solution

The fourth proportional to 7,546.38, 10,423.98 and 6,291.54 is: 8,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.38 : 10,423.98 = 6,291.54 : x
  2. Step 2: Convert to fraction form
    7,546.38/10,423.98 = 6,291.54/x
  3. Step 3: Cross multiply
    7,546.38x = 10,423.98 × 6,291.54
  4. Step 4: Simplify right side
    7,546.38x = 65,582,887.13
  5. Step 5: Solve for x
    x = 65,582,887.13/7,546.38
  6. Step 6: Final answer
    x = 8,690.64

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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.