Home / 11,845.14-16,345.65-7,368.76

Finding the Fourth Proportional to 11,845.14, 16,345.65 and 7,368.76

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Solution

The fourth proportional to 11,845.14, 16,345.65 and 7,368.76 is: 10,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.14 : 16,345.65 = 7,368.76 : x
  2. Step 2: Convert to fraction form
    11,845.14/16,345.65 = 7,368.76/x
  3. Step 3: Cross multiply
    11,845.14x = 16,345.65 × 7,368.76
  4. Step 4: Simplify right side
    11,845.14x = 120,447,171.89
  5. Step 5: Solve for x
    x = 120,447,171.89/11,845.14
  6. Step 6: Final answer
    x = 10,168.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.