Home / 12,996.08-17,934.57-7,330.81

Finding the Fourth Proportional to 12,996.08, 17,934.57 and 7,330.81

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Solution

The fourth proportional to 12,996.08, 17,934.57 and 7,330.81 is: 10,116.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.08 : 17,934.57 = 7,330.81 : x
  2. Step 2: Convert to fraction form
    12,996.08/17,934.57 = 7,330.81/x
  3. Step 3: Cross multiply
    12,996.08x = 17,934.57 × 7,330.81
  4. Step 4: Simplify right side
    12,996.08x = 131,474,798.77
  5. Step 5: Solve for x
    x = 131,474,798.77/12,996.08
  6. Step 6: Final answer
    x = 10,116.50

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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.