Home / 9,829.31-13,564.44-5,353.06

Finding the Fourth Proportional to 9,829.31, 13,564.44 and 5,353.06

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Solution

The fourth proportional to 9,829.31, 13,564.44 and 5,353.06 is: 7,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.31 : 13,564.44 = 5,353.06 : x
  2. Step 2: Convert to fraction form
    9,829.31/13,564.44 = 5,353.06/x
  3. Step 3: Cross multiply
    9,829.31x = 13,564.44 × 5,353.06
  4. Step 4: Simplify right side
    9,829.31x = 72,611,261.19
  5. Step 5: Solve for x
    x = 72,611,261.19/9,829.31
  6. Step 6: Final answer
    x = 7,387.22

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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.