Home / 12,055.12-18,082.74-4,263.94

Finding the Fourth Proportional to 12,055.12, 18,082.74 and 4,263.94

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Solution

The fourth proportional to 12,055.12, 18,082.74 and 4,263.94 is: 6,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.12 : 18,082.74 = 4,263.94 : x
  2. Step 2: Convert to fraction form
    12,055.12/18,082.74 = 4,263.94/x
  3. Step 3: Cross multiply
    12,055.12x = 18,082.74 × 4,263.94
  4. Step 4: Simplify right side
    12,055.12x = 77,103,718.40
  5. Step 5: Solve for x
    x = 77,103,718.40/12,055.12
  6. Step 6: Final answer
    x = 6,395.93

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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.