Home / 8,922.36-13,376.40-4,240.02

Finding the Fourth Proportional to 8,922.36, 13,376.40 and 4,240.02

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Solution

The fourth proportional to 8,922.36, 13,376.40 and 4,240.02 is: 6,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.36 : 13,376.40 = 4,240.02 : x
  2. Step 2: Convert to fraction form
    8,922.36/13,376.40 = 4,240.02/x
  3. Step 3: Cross multiply
    8,922.36x = 13,376.40 × 4,240.02
  4. Step 4: Simplify right side
    8,922.36x = 56,716,203.53
  5. Step 5: Solve for x
    x = 56,716,203.53/8,922.36
  6. Step 6: Final answer
    x = 6,356.64

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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.