Home / 13,075.83-18,044.66-7,107.53

Finding the Fourth Proportional to 13,075.83, 18,044.66 and 7,107.53

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Solution

The fourth proportional to 13,075.83, 18,044.66 and 7,107.53 is: 9,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.83 : 18,044.66 = 7,107.53 : x
  2. Step 2: Convert to fraction form
    13,075.83/18,044.66 = 7,107.53/x
  3. Step 3: Cross multiply
    13,075.83x = 18,044.66 × 7,107.53
  4. Step 4: Simplify right side
    13,075.83x = 128,252,889.84
  5. Step 5: Solve for x
    x = 128,252,889.84/13,075.83
  6. Step 6: Final answer
    x = 9,808.39

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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.