Home / 12,316.46-16,996.75-7,011.29

Finding the Fourth Proportional to 12,316.46, 16,996.75 and 7,011.29

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Solution

The fourth proportional to 12,316.46, 16,996.75 and 7,011.29 is: 9,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.46 : 16,996.75 = 7,011.29 : x
  2. Step 2: Convert to fraction form
    12,316.46/16,996.75 = 7,011.29/x
  3. Step 3: Cross multiply
    12,316.46x = 16,996.75 × 7,011.29
  4. Step 4: Simplify right side
    12,316.46x = 119,169,168.27
  5. Step 5: Solve for x
    x = 119,169,168.27/12,316.46
  6. Step 6: Final answer
    x = 9,675.61

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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.