Home / 10,821.50-16,232.26-2,613.50

Finding the Fourth Proportional to 10,821.50, 16,232.26 and 2,613.50

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Solution

The fourth proportional to 10,821.50, 16,232.26 and 2,613.50 is: 3,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.50 : 16,232.26 = 2,613.50 : x
  2. Step 2: Convert to fraction form
    10,821.50/16,232.26 = 2,613.50/x
  3. Step 3: Cross multiply
    10,821.50x = 16,232.26 × 2,613.50
  4. Step 4: Simplify right side
    10,821.50x = 42,423,011.51
  5. Step 5: Solve for x
    x = 42,423,011.51/10,821.50
  6. Step 6: Final answer
    x = 3,920.25

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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.