Home / 12,093.47-16,688.85-6,788.15

Finding the Fourth Proportional to 12,093.47, 16,688.85 and 6,788.15

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Solution

The fourth proportional to 12,093.47, 16,688.85 and 6,788.15 is: 9,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.47 : 16,688.85 = 6,788.15 : x
  2. Step 2: Convert to fraction form
    12,093.47/16,688.85 = 6,788.15/x
  3. Step 3: Cross multiply
    12,093.47x = 16,688.85 × 6,788.15
  4. Step 4: Simplify right side
    12,093.47x = 113,286,417.13
  5. Step 5: Solve for x
    x = 113,286,417.13/12,093.47
  6. Step 6: Final answer
    x = 9,367.57

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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.