Home / 10,566.40-15,817.20-6,170.80

Finding the Fourth Proportional to 10,566.40, 15,817.20 and 6,170.80

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Solution

The fourth proportional to 10,566.40, 15,817.20 and 6,170.80 is: 9,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.40 : 15,817.20 = 6,170.80 : x
  2. Step 2: Convert to fraction form
    10,566.40/15,817.20 = 6,170.80/x
  3. Step 3: Cross multiply
    10,566.40x = 15,817.20 × 6,170.80
  4. Step 4: Simplify right side
    10,566.40x = 97,604,777.76
  5. Step 5: Solve for x
    x = 97,604,777.76/10,566.40
  6. Step 6: Final answer
    x = 9,237.28

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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.