Home / 6,279.24-9,412.86-2,117.10

Finding the Fourth Proportional to 6,279.24, 9,412.86 and 2,117.10

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Solution

The fourth proportional to 6,279.24, 9,412.86 and 2,117.10 is: 3,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.24 : 9,412.86 = 2,117.10 : x
  2. Step 2: Convert to fraction form
    6,279.24/9,412.86 = 2,117.10/x
  3. Step 3: Cross multiply
    6,279.24x = 9,412.86 × 2,117.10
  4. Step 4: Simplify right side
    6,279.24x = 19,927,965.91
  5. Step 5: Solve for x
    x = 19,927,965.91/6,279.24
  6. Step 6: Final answer
    x = 3,173.63

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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.