Home / 7,402.48-11,103.76-2,208.40

Finding the Fourth Proportional to 7,402.48, 11,103.76 and 2,208.40

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Solution

The fourth proportional to 7,402.48, 11,103.76 and 2,208.40 is: 3,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.48 : 11,103.76 = 2,208.40 : x
  2. Step 2: Convert to fraction form
    7,402.48/11,103.76 = 2,208.40/x
  3. Step 3: Cross multiply
    7,402.48x = 11,103.76 × 2,208.40
  4. Step 4: Simplify right side
    7,402.48x = 24,521,543.58
  5. Step 5: Solve for x
    x = 24,521,543.58/7,402.48
  6. Step 6: Final answer
    x = 3,312.61

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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.