Home / 9,982.35-13,775.81-5,506.02

Finding the Fourth Proportional to 9,982.35, 13,775.81 and 5,506.02

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Solution

The fourth proportional to 9,982.35, 13,775.81 and 5,506.02 is: 7,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.35 : 13,775.81 = 5,506.02 : x
  2. Step 2: Convert to fraction form
    9,982.35/13,775.81 = 5,506.02/x
  3. Step 3: Cross multiply
    9,982.35x = 13,775.81 × 5,506.02
  4. Step 4: Simplify right side
    9,982.35x = 75,849,857.85
  5. Step 5: Solve for x
    x = 75,849,857.85/9,982.35
  6. Step 6: Final answer
    x = 7,598.40

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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.