Home / 7,654.06-11,458.79-5,688.39

Finding the Fourth Proportional to 7,654.06, 11,458.79 and 5,688.39

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Solution

The fourth proportional to 7,654.06, 11,458.79 and 5,688.39 is: 8,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.06 : 11,458.79 = 5,688.39 : x
  2. Step 2: Convert to fraction form
    7,654.06/11,458.79 = 5,688.39/x
  3. Step 3: Cross multiply
    7,654.06x = 11,458.79 × 5,688.39
  4. Step 4: Simplify right side
    7,654.06x = 65,182,102.31
  5. Step 5: Solve for x
    x = 65,182,102.31/7,654.06
  6. Step 6: Final answer
    x = 8,516.02

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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.