Home / 8,465.73-11,688.48-5,280.27

Finding the Fourth Proportional to 8,465.73, 11,688.48 and 5,280.27

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Solution

The fourth proportional to 8,465.73, 11,688.48 and 5,280.27 is: 7,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.73 : 11,688.48 = 5,280.27 : x
  2. Step 2: Convert to fraction form
    8,465.73/11,688.48 = 5,280.27/x
  3. Step 3: Cross multiply
    8,465.73x = 11,688.48 × 5,280.27
  4. Step 4: Simplify right side
    8,465.73x = 61,718,330.29
  5. Step 5: Solve for x
    x = 61,718,330.29/8,465.73
  6. Step 6: Final answer
    x = 7,290.37

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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.