Home / 11,703.12-16,150.56-6,986.52

Finding the Fourth Proportional to 11,703.12, 16,150.56 and 6,986.52

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Solution

The fourth proportional to 11,703.12, 16,150.56 and 6,986.52 is: 9,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.12 : 16,150.56 = 6,986.52 : x
  2. Step 2: Convert to fraction form
    11,703.12/16,150.56 = 6,986.52/x
  3. Step 3: Cross multiply
    11,703.12x = 16,150.56 × 6,986.52
  4. Step 4: Simplify right side
    11,703.12x = 112,836,210.45
  5. Step 5: Solve for x
    x = 112,836,210.45/11,703.12
  6. Step 6: Final answer
    x = 9,641.55

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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.