Home / 8,357.42-11,532.30-4,821.77

Finding the Fourth Proportional to 8,357.42, 11,532.30 and 4,821.77

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Solution

The fourth proportional to 8,357.42, 11,532.30 and 4,821.77 is: 6,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.42 : 11,532.30 = 4,821.77 : x
  2. Step 2: Convert to fraction form
    8,357.42/11,532.30 = 4,821.77/x
  3. Step 3: Cross multiply
    8,357.42x = 11,532.30 × 4,821.77
  4. Step 4: Simplify right side
    8,357.42x = 55,606,098.17
  5. Step 5: Solve for x
    x = 55,606,098.17/8,357.42
  6. Step 6: Final answer
    x = 6,653.50

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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.