Home / 10,135.10-13,986.54-5,886.44

Finding the Fourth Proportional to 10,135.10, 13,986.54 and 5,886.44

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Solution

The fourth proportional to 10,135.10, 13,986.54 and 5,886.44 is: 8,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.10 : 13,986.54 = 5,886.44 : x
  2. Step 2: Convert to fraction form
    10,135.10/13,986.54 = 5,886.44/x
  3. Step 3: Cross multiply
    10,135.10x = 13,986.54 × 5,886.44
  4. Step 4: Simplify right side
    10,135.10x = 82,330,928.52
  5. Step 5: Solve for x
    x = 82,330,928.52/10,135.10
  6. Step 6: Final answer
    x = 8,123.35

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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.