Home / 8,107.20-11,186.40-4,570.24

Finding the Fourth Proportional to 8,107.20, 11,186.40 and 4,570.24

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Solution

The fourth proportional to 8,107.20, 11,186.40 and 4,570.24 is: 6,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.20 : 11,186.40 = 4,570.24 : x
  2. Step 2: Convert to fraction form
    8,107.20/11,186.40 = 4,570.24/x
  3. Step 3: Cross multiply
    8,107.20x = 11,186.40 × 4,570.24
  4. Step 4: Simplify right side
    8,107.20x = 51,124,532.74
  5. Step 5: Solve for x
    x = 51,124,532.74/8,107.20
  6. Step 6: Final answer
    x = 6,306.07

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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.