Home / 11,246.23-15,509.49-7,666.54

Finding the Fourth Proportional to 11,246.23, 15,509.49 and 7,666.54

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Solution

The fourth proportional to 11,246.23, 15,509.49 and 7,666.54 is: 10,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.23 : 15,509.49 = 7,666.54 : x
  2. Step 2: Convert to fraction form
    11,246.23/15,509.49 = 7,666.54/x
  3. Step 3: Cross multiply
    11,246.23x = 15,509.49 × 7,666.54
  4. Step 4: Simplify right side
    11,246.23x = 118,904,125.46
  5. Step 5: Solve for x
    x = 118,904,125.46/11,246.23
  6. Step 6: Final answer
    x = 10,572.80

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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.