Home / 13,297.01-18,350.70-7,328.66

Finding the Fourth Proportional to 13,297.01, 18,350.70 and 7,328.66

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Solution

The fourth proportional to 13,297.01, 18,350.70 and 7,328.66 is: 10,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.01 : 18,350.70 = 7,328.66 : x
  2. Step 2: Convert to fraction form
    13,297.01/18,350.70 = 7,328.66/x
  3. Step 3: Cross multiply
    13,297.01x = 18,350.70 × 7,328.66
  4. Step 4: Simplify right side
    13,297.01x = 134,486,143.69
  5. Step 5: Solve for x
    x = 134,486,143.69/13,297.01
  6. Step 6: Final answer
    x = 10,114.01

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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.