Home / 7,279.16-10,908.30-4,152.68

Finding the Fourth Proportional to 7,279.16, 10,908.30 and 4,152.68

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Solution

The fourth proportional to 7,279.16, 10,908.30 and 4,152.68 is: 6,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.16 : 10,908.30 = 4,152.68 : x
  2. Step 2: Convert to fraction form
    7,279.16/10,908.30 = 4,152.68/x
  3. Step 3: Cross multiply
    7,279.16x = 10,908.30 × 4,152.68
  4. Step 4: Simplify right side
    7,279.16x = 45,298,679.24
  5. Step 5: Solve for x
    x = 45,298,679.24/7,279.16
  6. Step 6: Final answer
    x = 6,223.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.