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Finding the Fourth Proportional to 8,547.78, 11,796.03 and 5,011.05

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Solution

The fourth proportional to 8,547.78, 11,796.03 and 5,011.05 is: 6,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.78 : 11,796.03 = 5,011.05 : x
  2. Step 2: Convert to fraction form
    8,547.78/11,796.03 = 5,011.05/x
  3. Step 3: Cross multiply
    8,547.78x = 11,796.03 × 5,011.05
  4. Step 4: Simplify right side
    8,547.78x = 59,110,496.13
  5. Step 5: Solve for x
    x = 59,110,496.13/8,547.78
  6. Step 6: Final answer
    x = 6,915.30

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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.