Home / 12,340.53-17,027.55-7,035.21

Finding the Fourth Proportional to 12,340.53, 17,027.55 and 7,035.21

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Solution

The fourth proportional to 12,340.53, 17,027.55 and 7,035.21 is: 9,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.53 : 17,027.55 = 7,035.21 : x
  2. Step 2: Convert to fraction form
    12,340.53/17,027.55 = 7,035.21/x
  3. Step 3: Cross multiply
    12,340.53x = 17,027.55 × 7,035.21
  4. Step 4: Simplify right side
    12,340.53x = 119,792,390.04
  5. Step 5: Solve for x
    x = 119,792,390.04/12,340.53
  6. Step 6: Final answer
    x = 9,707.23

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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.