Home / 11,445.88-17,171.06-3,655.16

Finding the Fourth Proportional to 11,445.88, 17,171.06 and 3,655.16

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Solution

The fourth proportional to 11,445.88, 17,171.06 and 3,655.16 is: 5,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.88 : 17,171.06 = 3,655.16 : x
  2. Step 2: Convert to fraction form
    11,445.88/17,171.06 = 3,655.16/x
  3. Step 3: Cross multiply
    11,445.88x = 17,171.06 × 3,655.16
  4. Step 4: Simplify right side
    11,445.88x = 62,762,971.67
  5. Step 5: Solve for x
    x = 62,762,971.67/11,445.88
  6. Step 6: Final answer
    x = 5,483.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.