Home / 12,302.19-16,979.19-7,266.07

Finding the Fourth Proportional to 12,302.19, 16,979.19 and 7,266.07

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Solution

The fourth proportional to 12,302.19, 16,979.19 and 7,266.07 is: 10,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.19 : 16,979.19 = 7,266.07 : x
  2. Step 2: Convert to fraction form
    12,302.19/16,979.19 = 7,266.07/x
  3. Step 3: Cross multiply
    12,302.19x = 16,979.19 × 7,266.07
  4. Step 4: Simplify right side
    12,302.19x = 123,371,983.08
  5. Step 5: Solve for x
    x = 123,371,983.08/12,302.19
  6. Step 6: Final answer
    x = 10,028.46

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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.