Home / 10,678.20-14,740.88-6,201.06

Finding the Fourth Proportional to 10,678.20, 14,740.88 and 6,201.06

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Solution

The fourth proportional to 10,678.20, 14,740.88 and 6,201.06 is: 8,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.20 : 14,740.88 = 6,201.06 : x
  2. Step 2: Convert to fraction form
    10,678.20/14,740.88 = 6,201.06/x
  3. Step 3: Cross multiply
    10,678.20x = 14,740.88 × 6,201.06
  4. Step 4: Simplify right side
    10,678.20x = 91,409,081.33
  5. Step 5: Solve for x
    x = 91,409,081.33/10,678.20
  6. Step 6: Final answer
    x = 8,560.35

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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.