Home / 10,101.58-13,947.66-6,128.06

Finding the Fourth Proportional to 10,101.58, 13,947.66 and 6,128.06

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Solution

The fourth proportional to 10,101.58, 13,947.66 and 6,128.06 is: 8,461.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.58 : 13,947.66 = 6,128.06 : x
  2. Step 2: Convert to fraction form
    10,101.58/13,947.66 = 6,128.06/x
  3. Step 3: Cross multiply
    10,101.58x = 13,947.66 × 6,128.06
  4. Step 4: Simplify right side
    10,101.58x = 85,472,027.60
  5. Step 5: Solve for x
    x = 85,472,027.60/10,101.58
  6. Step 6: Final answer
    x = 8,461.26

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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.