Home / 12,316.08-16,996.14-7,012.68

Finding the Fourth Proportional to 12,316.08, 16,996.14 and 7,012.68

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Solution

The fourth proportional to 12,316.08, 16,996.14 and 7,012.68 is: 9,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.08 : 16,996.14 = 7,012.68 : x
  2. Step 2: Convert to fraction form
    12,316.08/16,996.14 = 7,012.68/x
  3. Step 3: Cross multiply
    12,316.08x = 16,996.14 × 7,012.68
  4. Step 4: Simplify right side
    12,316.08x = 119,188,491.06
  5. Step 5: Solve for x
    x = 119,188,491.06/12,316.08
  6. Step 6: Final answer
    x = 9,677.47

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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.