Home / 7,386.30-11,080.80-2,455.02

Finding the Fourth Proportional to 7,386.30, 11,080.80 and 2,455.02

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Solution

The fourth proportional to 7,386.30, 11,080.80 and 2,455.02 is: 3,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.30 : 11,080.80 = 2,455.02 : x
  2. Step 2: Convert to fraction form
    7,386.30/11,080.80 = 2,455.02/x
  3. Step 3: Cross multiply
    7,386.30x = 11,080.80 × 2,455.02
  4. Step 4: Simplify right side
    7,386.30x = 27,203,585.62
  5. Step 5: Solve for x
    x = 27,203,585.62/7,386.30
  6. Step 6: Final answer
    x = 3,682.98

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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.