Home / 10,895.57-16,343.28-7,214.27

Finding the Fourth Proportional to 10,895.57, 16,343.28 and 7,214.27

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Solution

The fourth proportional to 10,895.57, 16,343.28 and 7,214.27 is: 10,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.57 : 16,343.28 = 7,214.27 : x
  2. Step 2: Convert to fraction form
    10,895.57/16,343.28 = 7,214.27/x
  3. Step 3: Cross multiply
    10,895.57x = 16,343.28 × 7,214.27
  4. Step 4: Simplify right side
    10,895.57x = 117,904,752.89
  5. Step 5: Solve for x
    x = 117,904,752.89/10,895.57
  6. Step 6: Final answer
    x = 10,821.35

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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.