Home / 11,025.90-15,207.40-7,667.03

Finding the Fourth Proportional to 11,025.90, 15,207.40 and 7,667.03

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Solution

The fourth proportional to 11,025.90, 15,207.40 and 7,667.03 is: 10,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.90 : 15,207.40 = 7,667.03 : x
  2. Step 2: Convert to fraction form
    11,025.90/15,207.40 = 7,667.03/x
  3. Step 3: Cross multiply
    11,025.90x = 15,207.40 × 7,667.03
  4. Step 4: Simplify right side
    11,025.90x = 116,595,592.02
  5. Step 5: Solve for x
    x = 116,595,592.02/11,025.90
  6. Step 6: Final answer
    x = 10,574.70

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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.