Home / 10,923.26-15,073.65-6,681.42

Finding the Fourth Proportional to 10,923.26, 15,073.65 and 6,681.42

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Solution

The fourth proportional to 10,923.26, 15,073.65 and 6,681.42 is: 9,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.26 : 15,073.65 = 6,681.42 : x
  2. Step 2: Convert to fraction form
    10,923.26/15,073.65 = 6,681.42/x
  3. Step 3: Cross multiply
    10,923.26x = 15,073.65 × 6,681.42
  4. Step 4: Simplify right side
    10,923.26x = 100,713,386.58
  5. Step 5: Solve for x
    x = 100,713,386.58/10,923.26
  6. Step 6: Final answer
    x = 9,220.09

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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.