Home / 12,246.87-18,368.95-3,362.88

Finding the Fourth Proportional to 12,246.87, 18,368.95 and 3,362.88

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Solution

The fourth proportional to 12,246.87, 18,368.95 and 3,362.88 is: 5,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.87 : 18,368.95 = 3,362.88 : x
  2. Step 2: Convert to fraction form
    12,246.87/18,368.95 = 3,362.88/x
  3. Step 3: Cross multiply
    12,246.87x = 18,368.95 × 3,362.88
  4. Step 4: Simplify right side
    12,246.87x = 61,772,574.58
  5. Step 5: Solve for x
    x = 61,772,574.58/12,246.87
  6. Step 6: Final answer
    x = 5,043.95

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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.