Home / 10,069.20-15,088.40-6,770.06

Finding the Fourth Proportional to 10,069.20, 15,088.40 and 6,770.06

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Solution

The fourth proportional to 10,069.20, 15,088.40 and 6,770.06 is: 10,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.20 : 15,088.40 = 6,770.06 : x
  2. Step 2: Convert to fraction form
    10,069.20/15,088.40 = 6,770.06/x
  3. Step 3: Cross multiply
    10,069.20x = 15,088.40 × 6,770.06
  4. Step 4: Simplify right side
    10,069.20x = 102,149,373.30
  5. Step 5: Solve for x
    x = 102,149,373.30/10,069.20
  6. Step 6: Final answer
    x = 10,144.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.