Home / 12,848.11-19,263.91-5,450.58

Finding the Fourth Proportional to 12,848.11, 19,263.91 and 5,450.58

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Solution

The fourth proportional to 12,848.11, 19,263.91 and 5,450.58 is: 8,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.11 : 19,263.91 = 5,450.58 : x
  2. Step 2: Convert to fraction form
    12,848.11/19,263.91 = 5,450.58/x
  3. Step 3: Cross multiply
    12,848.11x = 19,263.91 × 5,450.58
  4. Step 4: Simplify right side
    12,848.11x = 104,999,482.57
  5. Step 5: Solve for x
    x = 104,999,482.57/12,848.11
  6. Step 6: Final answer
    x = 8,172.37

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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.