Home / 11,868.93-16,364.25-7,612.49

Finding the Fourth Proportional to 11,868.93, 16,364.25 and 7,612.49

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Solution

The fourth proportional to 11,868.93, 16,364.25 and 7,612.49 is: 10,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.93 : 16,364.25 = 7,612.49 : x
  2. Step 2: Convert to fraction form
    11,868.93/16,364.25 = 7,612.49/x
  3. Step 3: Cross multiply
    11,868.93x = 16,364.25 × 7,612.49
  4. Step 4: Simplify right side
    11,868.93x = 124,572,607.66
  5. Step 5: Solve for x
    x = 124,572,607.66/11,868.93
  6. Step 6: Final answer
    x = 10,495.69

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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.