Home / 8,245.32-11,374.58-5,411.56

Finding the Fourth Proportional to 8,245.32, 11,374.58 and 5,411.56

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Solution

The fourth proportional to 8,245.32, 11,374.58 and 5,411.56 is: 7,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.32 : 11,374.58 = 5,411.56 : x
  2. Step 2: Convert to fraction form
    8,245.32/11,374.58 = 5,411.56/x
  3. Step 3: Cross multiply
    8,245.32x = 11,374.58 × 5,411.56
  4. Step 4: Simplify right side
    8,245.32x = 61,554,222.14
  5. Step 5: Solve for x
    x = 61,554,222.14/8,245.32
  6. Step 6: Final answer
    x = 7,465.35

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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.