Home / 12,346.40-17,035.32-7,308.12

Finding the Fourth Proportional to 12,346.40, 17,035.32 and 7,308.12

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Solution

The fourth proportional to 12,346.40, 17,035.32 and 7,308.12 is: 10,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.40 : 17,035.32 = 7,308.12 : x
  2. Step 2: Convert to fraction form
    12,346.40/17,035.32 = 7,308.12/x
  3. Step 3: Cross multiply
    12,346.40x = 17,035.32 × 7,308.12
  4. Step 4: Simplify right side
    12,346.40x = 124,496,162.80
  5. Step 5: Solve for x
    x = 124,496,162.80/12,346.40
  6. Step 6: Final answer
    x = 10,083.60

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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.