Home / 28,602.46-42,903.55-7,255.18

Finding the Fourth Proportional to 28,602.46, 42,903.55 and 7,255.18

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Solution

The fourth proportional to 28,602.46, 42,903.55 and 7,255.18 is: 10,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.46 : 42,903.55 = 7,255.18 : x
  2. Step 2: Convert to fraction form
    28,602.46/42,903.55 = 7,255.18/x
  3. Step 3: Cross multiply
    28,602.46x = 42,903.55 × 7,255.18
  4. Step 4: Simplify right side
    28,602.46x = 311,272,727.10
  5. Step 5: Solve for x
    x = 311,272,727.10/28,602.46
  6. Step 6: Final answer
    x = 10,882.73

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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.