Home / 10,474.49-15,707.63-3,897.09

Finding the Fourth Proportional to 10,474.49, 15,707.63 and 3,897.09

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Solution

The fourth proportional to 10,474.49, 15,707.63 and 3,897.09 is: 5,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.49 : 15,707.63 = 3,897.09 : x
  2. Step 2: Convert to fraction form
    10,474.49/15,707.63 = 3,897.09/x
  3. Step 3: Cross multiply
    10,474.49x = 15,707.63 × 3,897.09
  4. Step 4: Simplify right side
    10,474.49x = 61,213,969.26
  5. Step 5: Solve for x
    x = 61,213,969.26/10,474.49
  6. Step 6: Final answer
    x = 5,844.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.