Home / 12,376.29-17,075.99-7,336.32

Finding the Fourth Proportional to 12,376.29, 17,075.99 and 7,336.32

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Solution

The fourth proportional to 12,376.29, 17,075.99 and 7,336.32 is: 10,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.29 : 17,075.99 = 7,336.32 : x
  2. Step 2: Convert to fraction form
    12,376.29/17,075.99 = 7,336.32/x
  3. Step 3: Cross multiply
    12,376.29x = 17,075.99 × 7,336.32
  4. Step 4: Simplify right side
    12,376.29x = 125,274,956.68
  5. Step 5: Solve for x
    x = 125,274,956.68/12,376.29
  6. Step 6: Final answer
    x = 10,122.17

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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.