Home / 11,802.28-17,700.12-4,409.68

Finding the Fourth Proportional to 11,802.28, 17,700.12 and 4,409.68

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Solution

The fourth proportional to 11,802.28, 17,700.12 and 4,409.68 is: 6,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.28 : 17,700.12 = 4,409.68 : x
  2. Step 2: Convert to fraction form
    11,802.28/17,700.12 = 4,409.68/x
  3. Step 3: Cross multiply
    11,802.28x = 17,700.12 × 4,409.68
  4. Step 4: Simplify right side
    11,802.28x = 78,051,865.16
  5. Step 5: Solve for x
    x = 78,051,865.16/11,802.28
  6. Step 6: Final answer
    x = 6,613.29

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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.