Home / 10,113.93-15,171.62-3,188.25

Finding the Fourth Proportional to 10,113.93, 15,171.62 and 3,188.25

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Solution

The fourth proportional to 10,113.93, 15,171.62 and 3,188.25 is: 4,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.93 : 15,171.62 = 3,188.25 : x
  2. Step 2: Convert to fraction form
    10,113.93/15,171.62 = 3,188.25/x
  3. Step 3: Cross multiply
    10,113.93x = 15,171.62 × 3,188.25
  4. Step 4: Simplify right side
    10,113.93x = 48,370,901.52
  5. Step 5: Solve for x
    x = 48,370,901.52/10,113.93
  6. Step 6: Final answer
    x = 4,782.60

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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.