Home / 12,051.66-16,632.85-6,747.58

Finding the Fourth Proportional to 12,051.66, 16,632.85 and 6,747.58

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Solution

The fourth proportional to 12,051.66, 16,632.85 and 6,747.58 is: 9,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.66 : 16,632.85 = 6,747.58 : x
  2. Step 2: Convert to fraction form
    12,051.66/16,632.85 = 6,747.58/x
  3. Step 3: Cross multiply
    12,051.66x = 16,632.85 × 6,747.58
  4. Step 4: Simplify right side
    12,051.66x = 112,231,402.84
  5. Step 5: Solve for x
    x = 112,231,402.84/12,051.66
  6. Step 6: Final answer
    x = 9,312.53

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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.