Home / 13,075.50-18,044.29-7,107.17

Finding the Fourth Proportional to 13,075.50, 18,044.29 and 7,107.17

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Solution

The fourth proportional to 13,075.50, 18,044.29 and 7,107.17 is: 9,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.50 : 18,044.29 = 7,107.17 : x
  2. Step 2: Convert to fraction form
    13,075.50/18,044.29 = 7,107.17/x
  3. Step 3: Cross multiply
    13,075.50x = 18,044.29 × 7,107.17
  4. Step 4: Simplify right side
    13,075.50x = 128,243,755.22
  5. Step 5: Solve for x
    x = 128,243,755.22/13,075.50
  6. Step 6: Final answer
    x = 9,807.94

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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.