Home / 10,422.66-14,383.27-5,706.91

Finding the Fourth Proportional to 10,422.66, 14,383.27 and 5,706.91

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Solution

The fourth proportional to 10,422.66, 14,383.27 and 5,706.91 is: 7,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.66 : 14,383.27 = 5,706.91 : x
  2. Step 2: Convert to fraction form
    10,422.66/14,383.27 = 5,706.91/x
  3. Step 3: Cross multiply
    10,422.66x = 14,383.27 × 5,706.91
  4. Step 4: Simplify right side
    10,422.66x = 82,084,027.40
  5. Step 5: Solve for x
    x = 82,084,027.40/10,422.66
  6. Step 6: Final answer
    x = 7,875.54

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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.