Home / 9,756.04-13,463.37-5,279.79

Finding the Fourth Proportional to 9,756.04, 13,463.37 and 5,279.79

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Solution

The fourth proportional to 9,756.04, 13,463.37 and 5,279.79 is: 7,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.04 : 13,463.37 = 5,279.79 : x
  2. Step 2: Convert to fraction form
    9,756.04/13,463.37 = 5,279.79/x
  3. Step 3: Cross multiply
    9,756.04x = 13,463.37 × 5,279.79
  4. Step 4: Simplify right side
    9,756.04x = 71,083,799.95
  5. Step 5: Solve for x
    x = 71,083,799.95/9,756.04
  6. Step 6: Final answer
    x = 7,286.13

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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.