Home / 10,395.90-14,347.19-5,921.06

Finding the Fourth Proportional to 10,395.90, 14,347.19 and 5,921.06

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Solution

The fourth proportional to 10,395.90, 14,347.19 and 5,921.06 is: 8,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.90 : 14,347.19 = 5,921.06 : x
  2. Step 2: Convert to fraction form
    10,395.90/14,347.19 = 5,921.06/x
  3. Step 3: Cross multiply
    10,395.90x = 14,347.19 × 5,921.06
  4. Step 4: Simplify right side
    10,395.90x = 84,950,515.89
  5. Step 5: Solve for x
    x = 84,950,515.89/10,395.90
  6. Step 6: Final answer
    x = 8,171.54

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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.