Home / 11,932.63-16,465.18-7,151.47

Finding the Fourth Proportional to 11,932.63, 16,465.18 and 7,151.47

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Solution

The fourth proportional to 11,932.63, 16,465.18 and 7,151.47 is: 9,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.63 : 16,465.18 = 7,151.47 : x
  2. Step 2: Convert to fraction form
    11,932.63/16,465.18 = 7,151.47/x
  3. Step 3: Cross multiply
    11,932.63x = 16,465.18 × 7,151.47
  4. Step 4: Simplify right side
    11,932.63x = 117,750,240.81
  5. Step 5: Solve for x
    x = 117,750,240.81/11,932.63
  6. Step 6: Final answer
    x = 9,867.92

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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.