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Finding the Fourth Proportional to 10,587.88, 15,894.30 and 6,208.68

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Solution

The fourth proportional to 10,587.88, 15,894.30 and 6,208.68 is: 9,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.88 : 15,894.30 = 6,208.68 : x
  2. Step 2: Convert to fraction form
    10,587.88/15,894.30 = 6,208.68/x
  3. Step 3: Cross multiply
    10,587.88x = 15,894.30 × 6,208.68
  4. Step 4: Simplify right side
    10,587.88x = 98,682,622.52
  5. Step 5: Solve for x
    x = 98,682,622.52/10,587.88
  6. Step 6: Final answer
    x = 9,320.34

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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.