Home / 8,555.46-11,803.28-5,367.40

Finding the Fourth Proportional to 8,555.46, 11,803.28 and 5,367.40

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Solution

The fourth proportional to 8,555.46, 11,803.28 and 5,367.40 is: 7,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.46 : 11,803.28 = 5,367.40 : x
  2. Step 2: Convert to fraction form
    8,555.46/11,803.28 = 5,367.40/x
  3. Step 3: Cross multiply
    8,555.46x = 11,803.28 × 5,367.40
  4. Step 4: Simplify right side
    8,555.46x = 63,352,925.07
  5. Step 5: Solve for x
    x = 63,352,925.07/8,555.46
  6. Step 6: Final answer
    x = 7,404.97

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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.