Home / 7,760.73-11,646.96-5,686.11

Finding the Fourth Proportional to 7,760.73, 11,646.96 and 5,686.11

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Solution

The fourth proportional to 7,760.73, 11,646.96 and 5,686.11 is: 8,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.73 : 11,646.96 = 5,686.11 : x
  2. Step 2: Convert to fraction form
    7,760.73/11,646.96 = 5,686.11/x
  3. Step 3: Cross multiply
    7,760.73x = 11,646.96 × 5,686.11
  4. Step 4: Simplify right side
    7,760.73x = 66,225,895.73
  5. Step 5: Solve for x
    x = 66,225,895.73/7,760.73
  6. Step 6: Final answer
    x = 8,533.46

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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.