Home / 7,417.08-10,234.36-4,272.64

Finding the Fourth Proportional to 7,417.08, 10,234.36 and 4,272.64

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Solution

The fourth proportional to 7,417.08, 10,234.36 and 4,272.64 is: 5,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.08 : 10,234.36 = 4,272.64 : x
  2. Step 2: Convert to fraction form
    7,417.08/10,234.36 = 4,272.64/x
  3. Step 3: Cross multiply
    7,417.08x = 10,234.36 × 4,272.64
  4. Step 4: Simplify right side
    7,417.08x = 43,727,735.91
  5. Step 5: Solve for x
    x = 43,727,735.91/7,417.08
  6. Step 6: Final answer
    x = 5,895.55

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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.