Home / 7,930.59-11,885.55-4,420.46

Finding the Fourth Proportional to 7,930.59, 11,885.55 and 4,420.46

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Solution

The fourth proportional to 7,930.59, 11,885.55 and 4,420.46 is: 6,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.59 : 11,885.55 = 4,420.46 : x
  2. Step 2: Convert to fraction form
    7,930.59/11,885.55 = 4,420.46/x
  3. Step 3: Cross multiply
    7,930.59x = 11,885.55 × 4,420.46
  4. Step 4: Simplify right side
    7,930.59x = 52,539,538.93
  5. Step 5: Solve for x
    x = 52,539,538.93/7,930.59
  6. Step 6: Final answer
    x = 6,624.92

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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.