Home / 10,357.26-14,292.90-5,641.44

Finding the Fourth Proportional to 10,357.26, 14,292.90 and 5,641.44

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Solution

The fourth proportional to 10,357.26, 14,292.90 and 5,641.44 is: 7,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.26 : 14,292.90 = 5,641.44 : x
  2. Step 2: Convert to fraction form
    10,357.26/14,292.90 = 5,641.44/x
  3. Step 3: Cross multiply
    10,357.26x = 14,292.90 × 5,641.44
  4. Step 4: Simplify right side
    10,357.26x = 80,632,537.78
  5. Step 5: Solve for x
    x = 80,632,537.78/10,357.26
  6. Step 6: Final answer
    x = 7,785.12

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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.