Home / 9,252.37-12,767.95-5,274.77

Finding the Fourth Proportional to 9,252.37, 12,767.95 and 5,274.77

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Solution

The fourth proportional to 9,252.37, 12,767.95 and 5,274.77 is: 7,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252.37 : 12,767.95 = 5,274.77 : x
  2. Step 2: Convert to fraction form
    9,252.37/12,767.95 = 5,274.77/x
  3. Step 3: Cross multiply
    9,252.37x = 12,767.95 × 5,274.77
  4. Step 4: Simplify right side
    9,252.37x = 67,347,922.59
  5. Step 5: Solve for x
    x = 67,347,922.59/9,252.37
  6. Step 6: Final answer
    x = 7,278.99

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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.