Home / 9,725.17-13,420.56-5,476.22

Finding the Fourth Proportional to 9,725.17, 13,420.56 and 5,476.22

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Solution

The fourth proportional to 9,725.17, 13,420.56 and 5,476.22 is: 7,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.17 : 13,420.56 = 5,476.22 : x
  2. Step 2: Convert to fraction form
    9,725.17/13,420.56 = 5,476.22/x
  3. Step 3: Cross multiply
    9,725.17x = 13,420.56 × 5,476.22
  4. Step 4: Simplify right side
    9,725.17x = 73,493,844.60
  5. Step 5: Solve for x
    x = 73,493,844.60/9,725.17
  6. Step 6: Final answer
    x = 7,557.08

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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.