Home / 9,587.81-13,232.40-5,396.87

Finding the Fourth Proportional to 9,587.81, 13,232.40 and 5,396.87

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Solution

The fourth proportional to 9,587.81, 13,232.40 and 5,396.87 is: 7,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.81 : 13,232.40 = 5,396.87 : x
  2. Step 2: Convert to fraction form
    9,587.81/13,232.40 = 5,396.87/x
  3. Step 3: Cross multiply
    9,587.81x = 13,232.40 × 5,396.87
  4. Step 4: Simplify right side
    9,587.81x = 71,413,555.43
  5. Step 5: Solve for x
    x = 71,413,555.43/9,587.81
  6. Step 6: Final answer
    x = 7,448.37

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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.