Home / 13,033.28-17,985.10-7,997.48

Finding the Fourth Proportional to 13,033.28, 17,985.10 and 7,997.48

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Solution

The fourth proportional to 13,033.28, 17,985.10 and 7,997.48 is: 11,036.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.28 : 17,985.10 = 7,997.48 : x
  2. Step 2: Convert to fraction form
    13,033.28/17,985.10 = 7,997.48/x
  3. Step 3: Cross multiply
    13,033.28x = 17,985.10 × 7,997.48
  4. Step 4: Simplify right side
    13,033.28x = 143,835,477.55
  5. Step 5: Solve for x
    x = 143,835,477.55/13,033.28
  6. Step 6: Final answer
    x = 11,036.02

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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.