Home / 8,840.08-13,261.72-3,643.12

Finding the Fourth Proportional to 8,840.08, 13,261.72 and 3,643.12

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Solution

The fourth proportional to 8,840.08, 13,261.72 and 3,643.12 is: 5,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.08 : 13,261.72 = 3,643.12 : x
  2. Step 2: Convert to fraction form
    8,840.08/13,261.72 = 3,643.12/x
  3. Step 3: Cross multiply
    8,840.08x = 13,261.72 × 3,643.12
  4. Step 4: Simplify right side
    8,840.08x = 48,314,037.37
  5. Step 5: Solve for x
    x = 48,314,037.37/8,840.08
  6. Step 6: Final answer
    x = 5,465.34

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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.