Home / 9,332.12-12,879.24-6,970.16

Finding the Fourth Proportional to 9,332.12, 12,879.24 and 6,970.16

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Solution

The fourth proportional to 9,332.12, 12,879.24 and 6,970.16 is: 9,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.12 : 12,879.24 = 6,970.16 : x
  2. Step 2: Convert to fraction form
    9,332.12/12,879.24 = 6,970.16/x
  3. Step 3: Cross multiply
    9,332.12x = 12,879.24 × 6,970.16
  4. Step 4: Simplify right side
    9,332.12x = 89,770,369.54
  5. Step 5: Solve for x
    x = 89,770,369.54/9,332.12
  6. Step 6: Final answer
    x = 9,619.50

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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.