Home / 7,368.72-11,051.39-2,103.62

Finding the Fourth Proportional to 7,368.72, 11,051.39 and 2,103.62

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Solution

The fourth proportional to 7,368.72, 11,051.39 and 2,103.62 is: 3,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.72 : 11,051.39 = 2,103.62 : x
  2. Step 2: Convert to fraction form
    7,368.72/11,051.39 = 2,103.62/x
  3. Step 3: Cross multiply
    7,368.72x = 11,051.39 × 2,103.62
  4. Step 4: Simplify right side
    7,368.72x = 23,247,925.37
  5. Step 5: Solve for x
    x = 23,247,925.37/7,368.72
  6. Step 6: Final answer
    x = 3,154.95

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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.