Home / 8,547.09-11,795.29-4,961.78

Finding the Fourth Proportional to 8,547.09, 11,795.29 and 4,961.78

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Solution

The fourth proportional to 8,547.09, 11,795.29 and 4,961.78 is: 6,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.09 : 11,795.29 = 4,961.78 : x
  2. Step 2: Convert to fraction form
    8,547.09/11,795.29 = 4,961.78/x
  3. Step 3: Cross multiply
    8,547.09x = 11,795.29 × 4,961.78
  4. Step 4: Simplify right side
    8,547.09x = 58,525,562.64
  5. Step 5: Solve for x
    x = 58,525,562.64/8,547.09
  6. Step 6: Final answer
    x = 6,847.43

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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.