Home / 11,460.52-15,815.55-6,356.40

Finding the Fourth Proportional to 11,460.52, 15,815.55 and 6,356.40

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Solution

The fourth proportional to 11,460.52, 15,815.55 and 6,356.40 is: 8,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.52 : 15,815.55 = 6,356.40 : x
  2. Step 2: Convert to fraction form
    11,460.52/15,815.55 = 6,356.40/x
  3. Step 3: Cross multiply
    11,460.52x = 15,815.55 × 6,356.40
  4. Step 4: Simplify right side
    11,460.52x = 100,529,890.79
  5. Step 5: Solve for x
    x = 100,529,890.79/11,460.52
  6. Step 6: Final answer
    x = 8,771.85

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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.