Home / 10,587.57-15,881.09-2,796.45

Finding the Fourth Proportional to 10,587.57, 15,881.09 and 2,796.45

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Solution

The fourth proportional to 10,587.57, 15,881.09 and 2,796.45 is: 4,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.57 : 15,881.09 = 2,796.45 : x
  2. Step 2: Convert to fraction form
    10,587.57/15,881.09 = 2,796.45/x
  3. Step 3: Cross multiply
    10,587.57x = 15,881.09 × 2,796.45
  4. Step 4: Simplify right side
    10,587.57x = 44,410,660.15
  5. Step 5: Solve for x
    x = 44,410,660.15/10,587.57
  6. Step 6: Final answer
    x = 4,194.60

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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.