Home / 10,888.60-15,026.36-6,172.96

Finding the Fourth Proportional to 10,888.60, 15,026.36 and 6,172.96

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Solution

The fourth proportional to 10,888.60, 15,026.36 and 6,172.96 is: 8,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.60 : 15,026.36 = 6,172.96 : x
  2. Step 2: Convert to fraction form
    10,888.60/15,026.36 = 6,172.96/x
  3. Step 3: Cross multiply
    10,888.60x = 15,026.36 × 6,172.96
  4. Step 4: Simplify right side
    10,888.60x = 92,757,119.23
  5. Step 5: Solve for x
    x = 92,757,119.23/10,888.60
  6. Step 6: Final answer
    x = 8,518.74

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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.