Home / 7,023.24-9,689.68-4,505.16

Finding the Fourth Proportional to 7,023.24, 9,689.68 and 4,505.16

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Solution

The fourth proportional to 7,023.24, 9,689.68 and 4,505.16 is: 6,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.24 : 9,689.68 = 4,505.16 : x
  2. Step 2: Convert to fraction form
    7,023.24/9,689.68 = 4,505.16/x
  3. Step 3: Cross multiply
    7,023.24x = 9,689.68 × 4,505.16
  4. Step 4: Simplify right side
    7,023.24x = 43,653,558.75
  5. Step 5: Solve for x
    x = 43,653,558.75/7,023.24
  6. Step 6: Final answer
    x = 6,215.59

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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.