Home / 12,097.95-18,138.35-4,696.17

Finding the Fourth Proportional to 12,097.95, 18,138.35 and 4,696.17

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Solution

The fourth proportional to 12,097.95, 18,138.35 and 4,696.17 is: 7,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.95 : 18,138.35 = 4,696.17 : x
  2. Step 2: Convert to fraction form
    12,097.95/18,138.35 = 4,696.17/x
  3. Step 3: Cross multiply
    12,097.95x = 18,138.35 × 4,696.17
  4. Step 4: Simplify right side
    12,097.95x = 85,180,751.64
  5. Step 5: Solve for x
    x = 85,180,751.64/12,097.95
  6. Step 6: Final answer
    x = 7,040.92

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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.