Home / 10,637.21-14,679.08-5,921.39

Finding the Fourth Proportional to 10,637.21, 14,679.08 and 5,921.39

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Solution

The fourth proportional to 10,637.21, 14,679.08 and 5,921.39 is: 8,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.21 : 14,679.08 = 5,921.39 : x
  2. Step 2: Convert to fraction form
    10,637.21/14,679.08 = 5,921.39/x
  3. Step 3: Cross multiply
    10,637.21x = 14,679.08 × 5,921.39
  4. Step 4: Simplify right side
    10,637.21x = 86,920,498.93
  5. Step 5: Solve for x
    x = 86,920,498.93/10,637.21
  6. Step 6: Final answer
    x = 8,171.37

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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.