Home / 13,302.87-18,358.08-7,334.76

Finding the Fourth Proportional to 13,302.87, 18,358.08 and 7,334.76

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Solution

The fourth proportional to 13,302.87, 18,358.08 and 7,334.76 is: 10,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.87 : 18,358.08 = 7,334.76 : x
  2. Step 2: Convert to fraction form
    13,302.87/18,358.08 = 7,334.76/x
  3. Step 3: Cross multiply
    13,302.87x = 18,358.08 × 7,334.76
  4. Step 4: Simplify right side
    13,302.87x = 134,652,110.86
  5. Step 5: Solve for x
    x = 134,652,110.86/13,302.87
  6. Step 6: Final answer
    x = 10,122.03

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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.