Home / 9,587.79-13,231.77-5,396.31

Finding the Fourth Proportional to 9,587.79, 13,231.77 and 5,396.31

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Solution

The fourth proportional to 9,587.79, 13,231.77 and 5,396.31 is: 7,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.79 : 13,231.77 = 5,396.31 : x
  2. Step 2: Convert to fraction form
    9,587.79/13,231.77 = 5,396.31/x
  3. Step 3: Cross multiply
    9,587.79x = 13,231.77 × 5,396.31
  4. Step 4: Simplify right side
    9,587.79x = 71,402,732.77
  5. Step 5: Solve for x
    x = 71,402,732.77/9,587.79
  6. Step 6: Final answer
    x = 7,447.26

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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.