Home / 11,242.86-16,780.91-9,735.14

Finding the Fourth Proportional to 11,242.86, 16,780.91 and 9,735.14

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Solution

The fourth proportional to 11,242.86, 16,780.91 and 9,735.14 is: 14,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.86 : 16,780.91 = 9,735.14 : x
  2. Step 2: Convert to fraction form
    11,242.86/16,780.91 = 9,735.14/x
  3. Step 3: Cross multiply
    11,242.86x = 16,780.91 × 9,735.14
  4. Step 4: Simplify right side
    11,242.86x = 163,364,501.45
  5. Step 5: Solve for x
    x = 163,364,501.45/11,242.86
  6. Step 6: Final answer
    x = 14,530.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.