Home / 28,217.34-42,328.10-9,497.30

Finding the Fourth Proportional to 28,217.34, 42,328.10 and 9,497.30

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Solution

The fourth proportional to 28,217.34, 42,328.10 and 9,497.30 is: 14,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.34 : 42,328.10 = 9,497.30 : x
  2. Step 2: Convert to fraction form
    28,217.34/42,328.10 = 9,497.30/x
  3. Step 3: Cross multiply
    28,217.34x = 42,328.10 × 9,497.30
  4. Step 4: Simplify right side
    28,217.34x = 402,002,476.23
  5. Step 5: Solve for x
    x = 402,002,476.23/28,217.34
  6. Step 6: Final answer
    x = 14,246.65

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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.