Home / 10,778.18-14,871.65-6,301.06

Finding the Fourth Proportional to 10,778.18, 14,871.65 and 6,301.06

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Solution

The fourth proportional to 10,778.18, 14,871.65 and 6,301.06 is: 8,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.18 : 14,871.65 = 6,301.06 : x
  2. Step 2: Convert to fraction form
    10,778.18/14,871.65 = 6,301.06/x
  3. Step 3: Cross multiply
    10,778.18x = 14,871.65 × 6,301.06
  4. Step 4: Simplify right side
    10,778.18x = 93,707,158.95
  5. Step 5: Solve for x
    x = 93,707,158.95/10,778.18
  6. Step 6: Final answer
    x = 8,694.15

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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.