Home / 10,156.87-15,235.35-4,963.15

Finding the Fourth Proportional to 10,156.87, 15,235.35 and 4,963.15

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Solution

The fourth proportional to 10,156.87, 15,235.35 and 4,963.15 is: 7,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.87 : 15,235.35 = 4,963.15 : x
  2. Step 2: Convert to fraction form
    10,156.87/15,235.35 = 4,963.15/x
  3. Step 3: Cross multiply
    10,156.87x = 15,235.35 × 4,963.15
  4. Step 4: Simplify right side
    10,156.87x = 75,615,327.35
  5. Step 5: Solve for x
    x = 75,615,327.35/10,156.87
  6. Step 6: Final answer
    x = 7,444.75

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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.