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Finding the Fourth Proportional to 9,097.95, 12,555.15 and 5,119.07

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Solution

The fourth proportional to 9,097.95, 12,555.15 and 5,119.07 is: 7,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.95 : 12,555.15 = 5,119.07 : x
  2. Step 2: Convert to fraction form
    9,097.95/12,555.15 = 5,119.07/x
  3. Step 3: Cross multiply
    9,097.95x = 12,555.15 × 5,119.07
  4. Step 4: Simplify right side
    9,097.95x = 64,270,603.34
  5. Step 5: Solve for x
    x = 64,270,603.34/9,097.95
  6. Step 6: Final answer
    x = 7,064.30

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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.