Home / 8,905.34-13,350.81-3,715.10

Finding the Fourth Proportional to 8,905.34, 13,350.81 and 3,715.10

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Solution

The fourth proportional to 8,905.34, 13,350.81 and 3,715.10 is: 5,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.34 : 13,350.81 = 3,715.10 : x
  2. Step 2: Convert to fraction form
    8,905.34/13,350.81 = 3,715.10/x
  3. Step 3: Cross multiply
    8,905.34x = 13,350.81 × 3,715.10
  4. Step 4: Simplify right side
    8,905.34x = 49,599,594.23
  5. Step 5: Solve for x
    x = 49,599,594.23/8,905.34
  6. Step 6: Final answer
    x = 5,569.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.