Home / 9,313.63-12,849.66-5,280.02

Finding the Fourth Proportional to 9,313.63, 12,849.66 and 5,280.02

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Solution

The fourth proportional to 9,313.63, 12,849.66 and 5,280.02 is: 7,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.63 : 12,849.66 = 5,280.02 : x
  2. Step 2: Convert to fraction form
    9,313.63/12,849.66 = 5,280.02/x
  3. Step 3: Cross multiply
    9,313.63x = 12,849.66 × 5,280.02
  4. Step 4: Simplify right side
    9,313.63x = 67,846,493.92
  5. Step 5: Solve for x
    x = 67,846,493.92/9,313.63
  6. Step 6: Final answer
    x = 7,284.65

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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.