Home / 7,509.28-10,356.72-5,738.08

Finding the Fourth Proportional to 7,509.28, 10,356.72 and 5,738.08

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Solution

The fourth proportional to 7,509.28, 10,356.72 and 5,738.08 is: 7,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.28 : 10,356.72 = 5,738.08 : x
  2. Step 2: Convert to fraction form
    7,509.28/10,356.72 = 5,738.08/x
  3. Step 3: Cross multiply
    7,509.28x = 10,356.72 × 5,738.08
  4. Step 4: Simplify right side
    7,509.28x = 59,427,687.90
  5. Step 5: Solve for x
    x = 59,427,687.90/7,509.28
  6. Step 6: Final answer
    x = 7,913.90

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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.