Home / 11,751.48-16,212.96-7,037.28

Finding the Fourth Proportional to 11,751.48, 16,212.96 and 7,037.28

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Solution

The fourth proportional to 11,751.48, 16,212.96 and 7,037.28 is: 9,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.48 : 16,212.96 = 7,037.28 : x
  2. Step 2: Convert to fraction form
    11,751.48/16,212.96 = 7,037.28/x
  3. Step 3: Cross multiply
    11,751.48x = 16,212.96 × 7,037.28
  4. Step 4: Simplify right side
    11,751.48x = 114,095,139.15
  5. Step 5: Solve for x
    x = 114,095,139.15/11,751.48
  6. Step 6: Final answer
    x = 9,709.00

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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.