Home / 9,253.85-12,769.55-5,274.21

Finding the Fourth Proportional to 9,253.85, 12,769.55 and 5,274.21

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Solution

The fourth proportional to 9,253.85, 12,769.55 and 5,274.21 is: 7,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.85 : 12,769.55 = 5,274.21 : x
  2. Step 2: Convert to fraction form
    9,253.85/12,769.55 = 5,274.21/x
  3. Step 3: Cross multiply
    9,253.85x = 12,769.55 × 5,274.21
  4. Step 4: Simplify right side
    9,253.85x = 67,349,329.60
  5. Step 5: Solve for x
    x = 67,349,329.60/9,253.85
  6. Step 6: Final answer
    x = 7,277.98

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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.