Home / 9,968.31-13,756.47-5,492.25

Finding the Fourth Proportional to 9,968.31, 13,756.47 and 5,492.25

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Solution

The fourth proportional to 9,968.31, 13,756.47 and 5,492.25 is: 7,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.31 : 13,756.47 = 5,492.25 : x
  2. Step 2: Convert to fraction form
    9,968.31/13,756.47 = 5,492.25/x
  3. Step 3: Cross multiply
    9,968.31x = 13,756.47 × 5,492.25
  4. Step 4: Simplify right side
    9,968.31x = 75,553,972.36
  5. Step 5: Solve for x
    x = 75,553,972.36/9,968.31
  6. Step 6: Final answer
    x = 7,579.42

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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.