Home / 12,319.56-16,996.84-7,010.62

Finding the Fourth Proportional to 12,319.56, 16,996.84 and 7,010.62

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Solution

The fourth proportional to 12,319.56, 16,996.84 and 7,010.62 is: 9,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.56 : 16,996.84 = 7,010.62 : x
  2. Step 2: Convert to fraction form
    12,319.56/16,996.84 = 7,010.62/x
  3. Step 3: Cross multiply
    12,319.56x = 16,996.84 × 7,010.62
  4. Step 4: Simplify right side
    12,319.56x = 119,158,326.42
  5. Step 5: Solve for x
    x = 119,158,326.42/12,319.56
  6. Step 6: Final answer
    x = 9,672.29

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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.