Home / 42,696.12-64,036.92-11,524.08

Finding the Fourth Proportional to 42,696.12, 64,036.92 and 11,524.08

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Solution

The fourth proportional to 42,696.12, 64,036.92 and 11,524.08 is: 17,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696.12 : 64,036.92 = 11,524.08 : x
  2. Step 2: Convert to fraction form
    42,696.12/64,036.92 = 11,524.08/x
  3. Step 3: Cross multiply
    42,696.12x = 64,036.92 × 11,524.08
  4. Step 4: Simplify right side
    42,696.12x = 737,966,589.03
  5. Step 5: Solve for x
    x = 737,966,589.03/42,696.12
  6. Step 6: Final answer
    x = 17,284.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.