Home / 12,367.20-17,066.85-6,916.32

Finding the Fourth Proportional to 12,367.20, 17,066.85 and 6,916.32

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Solution

The fourth proportional to 12,367.20, 17,066.85 and 6,916.32 is: 9,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.20 : 17,066.85 = 6,916.32 : x
  2. Step 2: Convert to fraction form
    12,367.20/17,066.85 = 6,916.32/x
  3. Step 3: Cross multiply
    12,367.20x = 17,066.85 × 6,916.32
  4. Step 4: Simplify right side
    12,367.20x = 118,039,795.99
  5. Step 5: Solve for x
    x = 118,039,795.99/12,367.20
  6. Step 6: Final answer
    x = 9,544.59

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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.