Home / 8,154.24-11,253.60-5,011.68

Finding the Fourth Proportional to 8,154.24, 11,253.60 and 5,011.68

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Solution

The fourth proportional to 8,154.24, 11,253.60 and 5,011.68 is: 6,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.24 : 11,253.60 = 5,011.68 : x
  2. Step 2: Convert to fraction form
    8,154.24/11,253.60 = 5,011.68/x
  3. Step 3: Cross multiply
    8,154.24x = 11,253.60 × 5,011.68
  4. Step 4: Simplify right side
    8,154.24x = 56,399,442.05
  5. Step 5: Solve for x
    x = 56,399,442.05/8,154.24
  6. Step 6: Final answer
    x = 6,916.58

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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.