Home / 6,715.08-10,071.72-1,785.11

Finding the Fourth Proportional to 6,715.08, 10,071.72 and 1,785.11

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Solution

The fourth proportional to 6,715.08, 10,071.72 and 1,785.11 is: 2,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.08 : 10,071.72 = 1,785.11 : x
  2. Step 2: Convert to fraction form
    6,715.08/10,071.72 = 1,785.11/x
  3. Step 3: Cross multiply
    6,715.08x = 10,071.72 × 1,785.11
  4. Step 4: Simplify right side
    6,715.08x = 17,979,077.73
  5. Step 5: Solve for x
    x = 17,979,077.73/6,715.08
  6. Step 6: Final answer
    x = 2,677.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.