Home / 13,012.12-17,952.24-7,346.16

Finding the Fourth Proportional to 13,012.12, 17,952.24 and 7,346.16

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Solution

The fourth proportional to 13,012.12, 17,952.24 and 7,346.16 is: 10,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.12 : 17,952.24 = 7,346.16 : x
  2. Step 2: Convert to fraction form
    13,012.12/17,952.24 = 7,346.16/x
  3. Step 3: Cross multiply
    13,012.12x = 17,952.24 × 7,346.16
  4. Step 4: Simplify right side
    13,012.12x = 131,880,027.40
  5. Step 5: Solve for x
    x = 131,880,027.40/13,012.12
  6. Step 6: Final answer
    x = 10,135.17

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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.