Home / 7,965.32-11,880.76-6,917.08

Finding the Fourth Proportional to 7,965.32, 11,880.76 and 6,917.08

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Solution

The fourth proportional to 7,965.32, 11,880.76 and 6,917.08 is: 10,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.32 : 11,880.76 = 6,917.08 : x
  2. Step 2: Convert to fraction form
    7,965.32/11,880.76 = 6,917.08/x
  3. Step 3: Cross multiply
    7,965.32x = 11,880.76 × 6,917.08
  4. Step 4: Simplify right side
    7,965.32x = 82,180,184.67
  5. Step 5: Solve for x
    x = 82,180,184.67/7,965.32
  6. Step 6: Final answer
    x = 10,317.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.