Home / 28,058.08-42,095.52-8,337.28

Finding the Fourth Proportional to 28,058.08, 42,095.52 and 8,337.28

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Solution

The fourth proportional to 28,058.08, 42,095.52 and 8,337.28 is: 12,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.08 : 42,095.52 = 8,337.28 : x
  2. Step 2: Convert to fraction form
    28,058.08/42,095.52 = 8,337.28/x
  3. Step 3: Cross multiply
    28,058.08x = 42,095.52 × 8,337.28
  4. Step 4: Simplify right side
    28,058.08x = 350,962,136.99
  5. Step 5: Solve for x
    x = 350,962,136.99/28,058.08
  6. Step 6: Final answer
    x = 12,508.42

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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.