Home / 28,324.09-42,483.38-8,602.81

Finding the Fourth Proportional to 28,324.09, 42,483.38 and 8,602.81

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Solution

The fourth proportional to 28,324.09, 42,483.38 and 8,602.81 is: 12,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.09 : 42,483.38 = 8,602.81 : x
  2. Step 2: Convert to fraction form
    28,324.09/42,483.38 = 8,602.81/x
  3. Step 3: Cross multiply
    28,324.09x = 42,483.38 × 8,602.81
  4. Step 4: Simplify right side
    28,324.09x = 365,476,446.30
  5. Step 5: Solve for x
    x = 365,476,446.30/28,324.09
  6. Step 6: Final answer
    x = 12,903.38

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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.