Home / 8,858.53-13,276.12-4,172.18

Finding the Fourth Proportional to 8,858.53, 13,276.12 and 4,172.18

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Solution

The fourth proportional to 8,858.53, 13,276.12 and 4,172.18 is: 6,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.53 : 13,276.12 = 4,172.18 : x
  2. Step 2: Convert to fraction form
    8,858.53/13,276.12 = 4,172.18/x
  3. Step 3: Cross multiply
    8,858.53x = 13,276.12 × 4,172.18
  4. Step 4: Simplify right side
    8,858.53x = 55,390,362.34
  5. Step 5: Solve for x
    x = 55,390,362.34/8,858.53
  6. Step 6: Final answer
    x = 6,252.77

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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.