Home / 7,402.83-11,106.28-4,118.22

Finding the Fourth Proportional to 7,402.83, 11,106.28 and 4,118.22

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Solution

The fourth proportional to 7,402.83, 11,106.28 and 4,118.22 is: 6,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.83 : 11,106.28 = 4,118.22 : x
  2. Step 2: Convert to fraction form
    7,402.83/11,106.28 = 4,118.22/x
  3. Step 3: Cross multiply
    7,402.83x = 11,106.28 × 4,118.22
  4. Step 4: Simplify right side
    7,402.83x = 45,738,109.57
  5. Step 5: Solve for x
    x = 45,738,109.57/7,402.83
  6. Step 6: Final answer
    x = 6,178.47

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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.