Home / 10,107.08-13,947.40-5,630.58

Finding the Fourth Proportional to 10,107.08, 13,947.40 and 5,630.58

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Solution

The fourth proportional to 10,107.08, 13,947.40 and 5,630.58 is: 7,769.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.08 : 13,947.40 = 5,630.58 : x
  2. Step 2: Convert to fraction form
    10,107.08/13,947.40 = 5,630.58/x
  3. Step 3: Cross multiply
    10,107.08x = 13,947.40 × 5,630.58
  4. Step 4: Simplify right side
    10,107.08x = 78,531,951.49
  5. Step 5: Solve for x
    x = 78,531,951.49/10,107.08
  6. Step 6: Final answer
    x = 7,769.99

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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.