Home / 28,596.10-42,898.30-8,876.26

Finding the Fourth Proportional to 28,596.10, 42,898.30 and 8,876.26

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Solution

The fourth proportional to 28,596.10, 42,898.30 and 8,876.26 is: 13,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.10 : 42,898.30 = 8,876.26 : x
  2. Step 2: Convert to fraction form
    28,596.10/42,898.30 = 8,876.26/x
  3. Step 3: Cross multiply
    28,596.10x = 42,898.30 × 8,876.26
  4. Step 4: Simplify right side
    28,596.10x = 380,776,464.36
  5. Step 5: Solve for x
    x = 380,776,464.36/28,596.10
  6. Step 6: Final answer
    x = 13,315.68

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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.