Home / 6,675.60-9,208.76-5,418.08

Finding the Fourth Proportional to 6,675.60, 9,208.76 and 5,418.08

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Solution

The fourth proportional to 6,675.60, 9,208.76 and 5,418.08 is: 7,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.60 : 9,208.76 = 5,418.08 : x
  2. Step 2: Convert to fraction form
    6,675.60/9,208.76 = 5,418.08/x
  3. Step 3: Cross multiply
    6,675.60x = 9,208.76 × 5,418.08
  4. Step 4: Simplify right side
    6,675.60x = 49,893,798.38
  5. Step 5: Solve for x
    x = 49,893,798.38/6,675.60
  6. Step 6: Final answer
    x = 7,474.05

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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.