Home / 13,276.67-18,322.02-7,611.92

Finding the Fourth Proportional to 13,276.67, 18,322.02 and 7,611.92

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Solution

The fourth proportional to 13,276.67, 18,322.02 and 7,611.92 is: 10,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.67 : 18,322.02 = 7,611.92 : x
  2. Step 2: Convert to fraction form
    13,276.67/18,322.02 = 7,611.92/x
  3. Step 3: Cross multiply
    13,276.67x = 18,322.02 × 7,611.92
  4. Step 4: Simplify right side
    13,276.67x = 139,465,750.48
  5. Step 5: Solve for x
    x = 139,465,750.48/13,276.67
  6. Step 6: Final answer
    x = 10,504.57

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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.