Home / 10,888.52-15,025.73-6,172.70

Finding the Fourth Proportional to 10,888.52, 15,025.73 and 6,172.70

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Solution

The fourth proportional to 10,888.52, 15,025.73 and 6,172.70 is: 8,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.52 : 15,025.73 = 6,172.70 : x
  2. Step 2: Convert to fraction form
    10,888.52/15,025.73 = 6,172.70/x
  3. Step 3: Cross multiply
    10,888.52x = 15,025.73 × 6,172.70
  4. Step 4: Simplify right side
    10,888.52x = 92,749,323.57
  5. Step 5: Solve for x
    x = 92,749,323.57/10,888.52
  6. Step 6: Final answer
    x = 8,518.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.