Home / 8,140.51-11,244.45-6,020.35

Finding the Fourth Proportional to 8,140.51, 11,244.45 and 6,020.35

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Solution

The fourth proportional to 8,140.51, 11,244.45 and 6,020.35 is: 8,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.51 : 11,244.45 = 6,020.35 : x
  2. Step 2: Convert to fraction form
    8,140.51/11,244.45 = 6,020.35/x
  3. Step 3: Cross multiply
    8,140.51x = 11,244.45 × 6,020.35
  4. Step 4: Simplify right side
    8,140.51x = 67,695,524.56
  5. Step 5: Solve for x
    x = 67,695,524.56/8,140.51
  6. Step 6: Final answer
    x = 8,315.88

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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.