Home / 10,195.48-14,068.62-5,718.30

Finding the Fourth Proportional to 10,195.48, 14,068.62 and 5,718.30

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Solution

The fourth proportional to 10,195.48, 14,068.62 and 5,718.30 is: 7,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.48 : 14,068.62 = 5,718.30 : x
  2. Step 2: Convert to fraction form
    10,195.48/14,068.62 = 5,718.30/x
  3. Step 3: Cross multiply
    10,195.48x = 14,068.62 × 5,718.30
  4. Step 4: Simplify right side
    10,195.48x = 80,448,589.75
  5. Step 5: Solve for x
    x = 80,448,589.75/10,195.48
  6. Step 6: Final answer
    x = 7,890.61

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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.