Home / 11,335.98-15,643.29-6,231.51

Finding the Fourth Proportional to 11,335.98, 15,643.29 and 6,231.51

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Solution

The fourth proportional to 11,335.98, 15,643.29 and 6,231.51 is: 8,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.98 : 15,643.29 = 6,231.51 : x
  2. Step 2: Convert to fraction form
    11,335.98/15,643.29 = 6,231.51/x
  3. Step 3: Cross multiply
    11,335.98x = 15,643.29 × 6,231.51
  4. Step 4: Simplify right side
    11,335.98x = 97,481,318.07
  5. Step 5: Solve for x
    x = 97,481,318.07/11,335.98
  6. Step 6: Final answer
    x = 8,599.28

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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.