Home / 10,888.83-15,026.45-6,412.77

Finding the Fourth Proportional to 10,888.83, 15,026.45 and 6,412.77

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Solution

The fourth proportional to 10,888.83, 15,026.45 and 6,412.77 is: 8,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.83 : 15,026.45 = 6,412.77 : x
  2. Step 2: Convert to fraction form
    10,888.83/15,026.45 = 6,412.77/x
  3. Step 3: Cross multiply
    10,888.83x = 15,026.45 × 6,412.77
  4. Step 4: Simplify right side
    10,888.83x = 96,361,135.70
  5. Step 5: Solve for x
    x = 96,361,135.70/10,888.83
  6. Step 6: Final answer
    x = 8,849.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.