Home / 8,266.32-11,409.51-4,731.57

Finding the Fourth Proportional to 8,266.32, 11,409.51 and 4,731.57

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Solution

The fourth proportional to 8,266.32, 11,409.51 and 4,731.57 is: 6,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.32 : 11,409.51 = 4,731.57 : x
  2. Step 2: Convert to fraction form
    8,266.32/11,409.51 = 4,731.57/x
  3. Step 3: Cross multiply
    8,266.32x = 11,409.51 × 4,731.57
  4. Step 4: Simplify right side
    8,266.32x = 53,984,895.23
  5. Step 5: Solve for x
    x = 53,984,895.23/8,266.32
  6. Step 6: Final answer
    x = 6,530.70

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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.