Home / 11,132.34-15,363.36-6,416.93

Finding the Fourth Proportional to 11,132.34, 15,363.36 and 6,416.93

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Solution

The fourth proportional to 11,132.34, 15,363.36 and 6,416.93 is: 8,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.34 : 15,363.36 = 6,416.93 : x
  2. Step 2: Convert to fraction form
    11,132.34/15,363.36 = 6,416.93/x
  3. Step 3: Cross multiply
    11,132.34x = 15,363.36 × 6,416.93
  4. Step 4: Simplify right side
    11,132.34x = 98,585,528.87
  5. Step 5: Solve for x
    x = 98,585,528.87/11,132.34
  6. Step 6: Final answer
    x = 8,855.78

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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.