Home / 7,567.36-11,354.52-3,405.12

Finding the Fourth Proportional to 7,567.36, 11,354.52 and 3,405.12

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Solution

The fourth proportional to 7,567.36, 11,354.52 and 3,405.12 is: 5,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.36 : 11,354.52 = 3,405.12 : x
  2. Step 2: Convert to fraction form
    7,567.36/11,354.52 = 3,405.12/x
  3. Step 3: Cross multiply
    7,567.36x = 11,354.52 × 3,405.12
  4. Step 4: Simplify right side
    7,567.36x = 38,663,503.14
  5. Step 5: Solve for x
    x = 38,663,503.14/7,567.36
  6. Step 6: Final answer
    x = 5,109.25

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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.