Home / 13,075.47-18,044.26-7,107.15

Finding the Fourth Proportional to 13,075.47, 18,044.26 and 7,107.15

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Solution

The fourth proportional to 13,075.47, 18,044.26 and 7,107.15 is: 9,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.47 : 18,044.26 = 7,107.15 : x
  2. Step 2: Convert to fraction form
    13,075.47/18,044.26 = 7,107.15/x
  3. Step 3: Cross multiply
    13,075.47x = 18,044.26 × 7,107.15
  4. Step 4: Simplify right side
    13,075.47x = 128,243,262.46
  5. Step 5: Solve for x
    x = 128,243,262.46/13,075.47
  6. Step 6: Final answer
    x = 9,807.93

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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.