Home / 9,725.08-13,420.30-5,476.36

Finding the Fourth Proportional to 9,725.08, 13,420.30 and 5,476.36

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Solution

The fourth proportional to 9,725.08, 13,420.30 and 5,476.36 is: 7,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.08 : 13,420.30 = 5,476.36 : x
  2. Step 2: Convert to fraction form
    9,725.08/13,420.30 = 5,476.36/x
  3. Step 3: Cross multiply
    9,725.08x = 13,420.30 × 5,476.36
  4. Step 4: Simplify right side
    9,725.08x = 73,494,394.11
  5. Step 5: Solve for x
    x = 73,494,394.11/9,725.08
  6. Step 6: Final answer
    x = 7,557.20

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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.