Home / 10,233.64-14,130.36-7,991.62

Finding the Fourth Proportional to 10,233.64, 14,130.36 and 7,991.62

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Solution

The fourth proportional to 10,233.64, 14,130.36 and 7,991.62 is: 11,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.64 : 14,130.36 = 7,991.62 : x
  2. Step 2: Convert to fraction form
    10,233.64/14,130.36 = 7,991.62/x
  3. Step 3: Cross multiply
    10,233.64x = 14,130.36 × 7,991.62
  4. Step 4: Simplify right side
    10,233.64x = 112,924,467.58
  5. Step 5: Solve for x
    x = 112,924,467.58/10,233.64
  6. Step 6: Final answer
    x = 11,034.63

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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.