Home / 9,628.80-13,288.68-5,851.14

Finding the Fourth Proportional to 9,628.80, 13,288.68 and 5,851.14

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Solution

The fourth proportional to 9,628.80, 13,288.68 and 5,851.14 is: 8,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.80 : 13,288.68 = 5,851.14 : x
  2. Step 2: Convert to fraction form
    9,628.80/13,288.68 = 5,851.14/x
  3. Step 3: Cross multiply
    9,628.80x = 13,288.68 × 5,851.14
  4. Step 4: Simplify right side
    9,628.80x = 77,753,927.10
  5. Step 5: Solve for x
    x = 77,753,927.10/9,628.80
  6. Step 6: Final answer
    x = 8,075.14

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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.