Home / 10,195.43-14,068.75-5,718.32

Finding the Fourth Proportional to 10,195.43, 14,068.75 and 5,718.32

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Solution

The fourth proportional to 10,195.43, 14,068.75 and 5,718.32 is: 7,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.43 : 14,068.75 = 5,718.32 : x
  2. Step 2: Convert to fraction form
    10,195.43/14,068.75 = 5,718.32/x
  3. Step 3: Cross multiply
    10,195.43x = 14,068.75 × 5,718.32
  4. Step 4: Simplify right side
    10,195.43x = 80,449,614.50
  5. Step 5: Solve for x
    x = 80,449,614.50/10,195.43
  6. Step 6: Final answer
    x = 7,890.75

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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.