Home / 7,838.08-10,803.36-5,038.72

Finding the Fourth Proportional to 7,838.08, 10,803.36 and 5,038.72

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Solution

The fourth proportional to 7,838.08, 10,803.36 and 5,038.72 is: 6,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.08 : 10,803.36 = 5,038.72 : x
  2. Step 2: Convert to fraction form
    7,838.08/10,803.36 = 5,038.72/x
  3. Step 3: Cross multiply
    7,838.08x = 10,803.36 × 5,038.72
  4. Step 4: Simplify right side
    7,838.08x = 54,435,106.10
  5. Step 5: Solve for x
    x = 54,435,106.10/7,838.08
  6. Step 6: Final answer
    x = 6,944.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.