Home / 10,157.58-15,237.45-2,762.15

Finding the Fourth Proportional to 10,157.58, 15,237.45 and 2,762.15

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Solution

The fourth proportional to 10,157.58, 15,237.45 and 2,762.15 is: 4,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.58 : 15,237.45 = 2,762.15 : x
  2. Step 2: Convert to fraction form
    10,157.58/15,237.45 = 2,762.15/x
  3. Step 3: Cross multiply
    10,157.58x = 15,237.45 × 2,762.15
  4. Step 4: Simplify right side
    10,157.58x = 42,088,046.33
  5. Step 5: Solve for x
    x = 42,088,046.33/10,157.58
  6. Step 6: Final answer
    x = 4,143.51

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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.