Home / 7,329.69-11,018.88-5,687.01

Finding the Fourth Proportional to 7,329.69, 11,018.88 and 5,687.01

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Solution

The fourth proportional to 7,329.69, 11,018.88 and 5,687.01 is: 8,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.69 : 11,018.88 = 5,687.01 : x
  2. Step 2: Convert to fraction form
    7,329.69/11,018.88 = 5,687.01/x
  3. Step 3: Cross multiply
    7,329.69x = 11,018.88 × 5,687.01
  4. Step 4: Simplify right side
    7,329.69x = 62,664,480.75
  5. Step 5: Solve for x
    x = 62,664,480.75/7,329.69
  6. Step 6: Final answer
    x = 8,549.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.