Home / 6,412.76-8,842.63-4,170.48

Finding the Fourth Proportional to 6,412.76, 8,842.63 and 4,170.48

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Solution

The fourth proportional to 6,412.76, 8,842.63 and 4,170.48 is: 5,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.76 : 8,842.63 = 4,170.48 : x
  2. Step 2: Convert to fraction form
    6,412.76/8,842.63 = 4,170.48/x
  3. Step 3: Cross multiply
    6,412.76x = 8,842.63 × 4,170.48
  4. Step 4: Simplify right side
    6,412.76x = 36,878,011.56
  5. Step 5: Solve for x
    x = 36,878,011.56/6,412.76
  6. Step 6: Final answer
    x = 5,750.72

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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.