Home / 10,075.79-13,904.31-5,599.43

Finding the Fourth Proportional to 10,075.79, 13,904.31 and 5,599.43

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Solution

The fourth proportional to 10,075.79, 13,904.31 and 5,599.43 is: 7,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.79 : 13,904.31 = 5,599.43 : x
  2. Step 2: Convert to fraction form
    10,075.79/13,904.31 = 5,599.43/x
  3. Step 3: Cross multiply
    10,075.79x = 13,904.31 × 5,599.43
  4. Step 4: Simplify right side
    10,075.79x = 77,856,210.54
  5. Step 5: Solve for x
    x = 77,856,210.54/10,075.79
  6. Step 6: Final answer
    x = 7,727.06

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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.