Home / 12,010.55-16,575.29-6,705.72

Finding the Fourth Proportional to 12,010.55, 16,575.29 and 6,705.72

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Solution

The fourth proportional to 12,010.55, 16,575.29 and 6,705.72 is: 9,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.55 : 16,575.29 = 6,705.72 : x
  2. Step 2: Convert to fraction form
    12,010.55/16,575.29 = 6,705.72/x
  3. Step 3: Cross multiply
    12,010.55x = 16,575.29 × 6,705.72
  4. Step 4: Simplify right side
    12,010.55x = 111,149,220.13
  5. Step 5: Solve for x
    x = 111,149,220.13/12,010.55
  6. Step 6: Final answer
    x = 9,254.30

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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.