Home / 12,283.05-16,945.79-7,559.13

Finding the Fourth Proportional to 12,283.05, 16,945.79 and 7,559.13

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Solution

The fourth proportional to 12,283.05, 16,945.79 and 7,559.13 is: 10,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.05 : 16,945.79 = 7,559.13 : x
  2. Step 2: Convert to fraction form
    12,283.05/16,945.79 = 7,559.13/x
  3. Step 3: Cross multiply
    12,283.05x = 16,945.79 × 7,559.13
  4. Step 4: Simplify right side
    12,283.05x = 128,095,387.20
  5. Step 5: Solve for x
    x = 128,095,387.20/12,283.05
  6. Step 6: Final answer
    x = 10,428.63

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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.