Home / 8,438.24-11,652.28-5,257.01

Finding the Fourth Proportional to 8,438.24, 11,652.28 and 5,257.01

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Solution

The fourth proportional to 8,438.24, 11,652.28 and 5,257.01 is: 7,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.24 : 11,652.28 = 5,257.01 : x
  2. Step 2: Convert to fraction form
    8,438.24/11,652.28 = 5,257.01/x
  3. Step 3: Cross multiply
    8,438.24x = 11,652.28 × 5,257.01
  4. Step 4: Simplify right side
    8,438.24x = 61,256,168.47
  5. Step 5: Solve for x
    x = 61,256,168.47/8,438.24
  6. Step 6: Final answer
    x = 7,259.35

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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.