Home / 10,654.55-15,984.78-4,651.15

Finding the Fourth Proportional to 10,654.55, 15,984.78 and 4,651.15

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Solution

The fourth proportional to 10,654.55, 15,984.78 and 4,651.15 is: 6,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.55 : 15,984.78 = 4,651.15 : x
  2. Step 2: Convert to fraction form
    10,654.55/15,984.78 = 4,651.15/x
  3. Step 3: Cross multiply
    10,654.55x = 15,984.78 × 4,651.15
  4. Step 4: Simplify right side
    10,654.55x = 74,347,576.35
  5. Step 5: Solve for x
    x = 74,347,576.35/10,654.55
  6. Step 6: Final answer
    x = 6,978.01

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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.