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Finding the Fourth Proportional to 11,053.95, 15,257.01 and 7,018.34

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Solution

The fourth proportional to 11,053.95, 15,257.01 and 7,018.34 is: 9,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.95 : 15,257.01 = 7,018.34 : x
  2. Step 2: Convert to fraction form
    11,053.95/15,257.01 = 7,018.34/x
  3. Step 3: Cross multiply
    11,053.95x = 15,257.01 × 7,018.34
  4. Step 4: Simplify right side
    11,053.95x = 107,078,807.28
  5. Step 5: Solve for x
    x = 107,078,807.28/11,053.95
  6. Step 6: Final answer
    x = 9,686.93

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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.