Home / 12,055.90-16,636.65-6,750.61

Finding the Fourth Proportional to 12,055.90, 16,636.65 and 6,750.61

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Solution

The fourth proportional to 12,055.90, 16,636.65 and 6,750.61 is: 9,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.90 : 16,636.65 = 6,750.61 : x
  2. Step 2: Convert to fraction form
    12,055.90/16,636.65 = 6,750.61/x
  3. Step 3: Cross multiply
    12,055.90x = 16,636.65 × 6,750.61
  4. Step 4: Simplify right side
    12,055.90x = 112,307,535.86
  5. Step 5: Solve for x
    x = 112,307,535.86/12,055.90
  6. Step 6: Final answer
    x = 9,315.57

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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.