Home / 9,726.25-13,421.42-5,475.96

Finding the Fourth Proportional to 9,726.25, 13,421.42 and 5,475.96

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Solution

The fourth proportional to 9,726.25, 13,421.42 and 5,475.96 is: 7,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.25 : 13,421.42 = 5,475.96 : x
  2. Step 2: Convert to fraction form
    9,726.25/13,421.42 = 5,475.96/x
  3. Step 3: Cross multiply
    9,726.25x = 13,421.42 × 5,475.96
  4. Step 4: Simplify right side
    9,726.25x = 73,495,159.06
  5. Step 5: Solve for x
    x = 73,495,159.06/9,726.25
  6. Step 6: Final answer
    x = 7,556.37

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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.