Home / 9,253.35-12,769.62-5,274.63

Finding the Fourth Proportional to 9,253.35, 12,769.62 and 5,274.63

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Solution

The fourth proportional to 9,253.35, 12,769.62 and 5,274.63 is: 7,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.35 : 12,769.62 = 5,274.63 : x
  2. Step 2: Convert to fraction form
    9,253.35/12,769.62 = 5,274.63/x
  3. Step 3: Cross multiply
    9,253.35x = 12,769.62 × 5,274.63
  4. Step 4: Simplify right side
    9,253.35x = 67,355,020.74
  5. Step 5: Solve for x
    x = 67,355,020.74/9,253.35
  6. Step 6: Final answer
    x = 7,278.99

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Double scale
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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.