Home / 11,534.84-15,921.60-7,230.26

Finding the Fourth Proportional to 11,534.84, 15,921.60 and 7,230.26

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Solution

The fourth proportional to 11,534.84, 15,921.60 and 7,230.26 is: 9,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,534.84 : 15,921.60 = 7,230.26 : x
  2. Step 2: Convert to fraction form
    11,534.84/15,921.60 = 7,230.26/x
  3. Step 3: Cross multiply
    11,534.84x = 15,921.60 × 7,230.26
  4. Step 4: Simplify right side
    11,534.84x = 115,117,307.62
  5. Step 5: Solve for x
    x = 115,117,307.62/11,534.84
  6. Step 6: Final answer
    x = 9,979.97

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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.