Home / 13,043.63-17,999.72-7,075.17

Finding the Fourth Proportional to 13,043.63, 17,999.72 and 7,075.17

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Solution

The fourth proportional to 13,043.63, 17,999.72 and 7,075.17 is: 9,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.63 : 17,999.72 = 7,075.17 : x
  2. Step 2: Convert to fraction form
    13,043.63/17,999.72 = 7,075.17/x
  3. Step 3: Cross multiply
    13,043.63x = 17,999.72 × 7,075.17
  4. Step 4: Simplify right side
    13,043.63x = 127,351,120.73
  5. Step 5: Solve for x
    x = 127,351,120.73/13,043.63
  6. Step 6: Final answer
    x = 9,763.47

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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.