Home / 7,421.60-11,110.52-5,482.46

Finding the Fourth Proportional to 7,421.60, 11,110.52 and 5,482.46

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Solution

The fourth proportional to 7,421.60, 11,110.52 and 5,482.46 is: 8,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.60 : 11,110.52 = 5,482.46 : x
  2. Step 2: Convert to fraction form
    7,421.60/11,110.52 = 5,482.46/x
  3. Step 3: Cross multiply
    7,421.60x = 11,110.52 × 5,482.46
  4. Step 4: Simplify right side
    7,421.60x = 60,912,981.48
  5. Step 5: Solve for x
    x = 60,912,981.48/7,421.60
  6. Step 6: Final answer
    x = 8,207.53

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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.