Home / 39,187.52-58,784.28-11,107.10

Finding the Fourth Proportional to 39,187.52, 58,784.28 and 11,107.10

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Solution

The fourth proportional to 39,187.52, 58,784.28 and 11,107.10 is: 16,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.52 : 58,784.28 = 11,107.10 : x
  2. Step 2: Convert to fraction form
    39,187.52/58,784.28 = 11,107.10/x
  3. Step 3: Cross multiply
    39,187.52x = 58,784.28 × 11,107.10
  4. Step 4: Simplify right side
    39,187.52x = 652,922,876.39
  5. Step 5: Solve for x
    x = 652,922,876.39/39,187.52
  6. Step 6: Final answer
    x = 16,661.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.