Home / 10,289.51-15,432.65-3,268.60

Finding the Fourth Proportional to 10,289.51, 15,432.65 and 3,268.60

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Solution

The fourth proportional to 10,289.51, 15,432.65 and 3,268.60 is: 4,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.51 : 15,432.65 = 3,268.60 : x
  2. Step 2: Convert to fraction form
    10,289.51/15,432.65 = 3,268.60/x
  3. Step 3: Cross multiply
    10,289.51x = 15,432.65 × 3,268.60
  4. Step 4: Simplify right side
    10,289.51x = 50,443,174.64
  5. Step 5: Solve for x
    x = 50,443,174.64/10,289.51
  6. Step 6: Final answer
    x = 4,902.39

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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.