Home / 28,322.09-42,483.27-8,600.82

Finding the Fourth Proportional to 28,322.09, 42,483.27 and 8,600.82

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Solution

The fourth proportional to 28,322.09, 42,483.27 and 8,600.82 is: 12,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.09 : 42,483.27 = 8,600.82 : x
  2. Step 2: Convert to fraction form
    28,322.09/42,483.27 = 8,600.82/x
  3. Step 3: Cross multiply
    28,322.09x = 42,483.27 × 8,600.82
  4. Step 4: Simplify right side
    28,322.09x = 365,390,958.28
  5. Step 5: Solve for x
    x = 365,390,958.28/28,322.09
  6. Step 6: Final answer
    x = 12,901.27

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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.