Home / 11,135.68-15,285.33-9,848.52

Finding the Fourth Proportional to 11,135.68, 15,285.33 and 9,848.52

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Solution

The fourth proportional to 11,135.68, 15,285.33 and 9,848.52 is: 13,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.68 : 15,285.33 = 9,848.52 : x
  2. Step 2: Convert to fraction form
    11,135.68/15,285.33 = 9,848.52/x
  3. Step 3: Cross multiply
    11,135.68x = 15,285.33 × 9,848.52
  4. Step 4: Simplify right side
    11,135.68x = 150,537,878.21
  5. Step 5: Solve for x
    x = 150,537,878.21/11,135.68
  6. Step 6: Final answer
    x = 13,518.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.