Home / 10,681.38-16,022.88-2,890.08

Finding the Fourth Proportional to 10,681.38, 16,022.88 and 2,890.08

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Solution

The fourth proportional to 10,681.38, 16,022.88 and 2,890.08 is: 4,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.38 : 16,022.88 = 2,890.08 : x
  2. Step 2: Convert to fraction form
    10,681.38/16,022.88 = 2,890.08/x
  3. Step 3: Cross multiply
    10,681.38x = 16,022.88 × 2,890.08
  4. Step 4: Simplify right side
    10,681.38x = 46,307,405.03
  5. Step 5: Solve for x
    x = 46,307,405.03/10,681.38
  6. Step 6: Final answer
    x = 4,335.34

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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.