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Finding the Fourth Proportional to 8,547.56, 11,796.56 and 5,011.28

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Solution

The fourth proportional to 8,547.56, 11,796.56 and 5,011.28 is: 6,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.56 : 11,796.56 = 5,011.28 : x
  2. Step 2: Convert to fraction form
    8,547.56/11,796.56 = 5,011.28/x
  3. Step 3: Cross multiply
    8,547.56x = 11,796.56 × 5,011.28
  4. Step 4: Simplify right side
    8,547.56x = 59,115,865.20
  5. Step 5: Solve for x
    x = 59,115,865.20/8,547.56
  6. Step 6: Final answer
    x = 6,916.11

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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.