Home / 10,156.39-15,232.72-4,608.40

Finding the Fourth Proportional to 10,156.39, 15,232.72 and 4,608.40

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Solution

The fourth proportional to 10,156.39, 15,232.72 and 4,608.40 is: 6,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.39 : 15,232.72 = 4,608.40 : x
  2. Step 2: Convert to fraction form
    10,156.39/15,232.72 = 4,608.40/x
  3. Step 3: Cross multiply
    10,156.39x = 15,232.72 × 4,608.40
  4. Step 4: Simplify right side
    10,156.39x = 70,198,455.33
  5. Step 5: Solve for x
    x = 70,198,455.33/10,156.39
  6. Step 6: Final answer
    x = 6,911.75

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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.