Home / 13,075.47-17,999.73-9,707.49

Finding the Fourth Proportional to 13,075.47, 17,999.73 and 9,707.49

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Solution

The fourth proportional to 13,075.47, 17,999.73 and 9,707.49 is: 13,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.47 : 17,999.73 = 9,707.49 : x
  2. Step 2: Convert to fraction form
    13,075.47/17,999.73 = 9,707.49/x
  3. Step 3: Cross multiply
    13,075.47x = 17,999.73 × 9,707.49
  4. Step 4: Simplify right side
    13,075.47x = 174,732,198.98
  5. Step 5: Solve for x
    x = 174,732,198.98/13,075.47
  6. Step 6: Final answer
    x = 13,363.36

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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.