Home / 9,049.34-12,488.45-5,274.95

Finding the Fourth Proportional to 9,049.34, 12,488.45 and 5,274.95

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Solution

The fourth proportional to 9,049.34, 12,488.45 and 5,274.95 is: 7,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.34 : 12,488.45 = 5,274.95 : x
  2. Step 2: Convert to fraction form
    9,049.34/12,488.45 = 5,274.95/x
  3. Step 3: Cross multiply
    9,049.34x = 12,488.45 × 5,274.95
  4. Step 4: Simplify right side
    9,049.34x = 65,875,860.51
  5. Step 5: Solve for x
    x = 65,875,860.51/9,049.34
  6. Step 6: Final answer
    x = 7,279.63

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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.