Home / 9,354.85-12,909.36-5,576.06

Finding the Fourth Proportional to 9,354.85, 12,909.36 and 5,576.06

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Solution

The fourth proportional to 9,354.85, 12,909.36 and 5,576.06 is: 7,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.85 : 12,909.36 = 5,576.06 : x
  2. Step 2: Convert to fraction form
    9,354.85/12,909.36 = 5,576.06/x
  3. Step 3: Cross multiply
    9,354.85x = 12,909.36 × 5,576.06
  4. Step 4: Simplify right side
    9,354.85x = 71,983,419.11
  5. Step 5: Solve for x
    x = 71,983,419.11/9,354.85
  6. Step 6: Final answer
    x = 7,694.77

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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.