Home / 11,293.69-15,588.66-7,315.06

Finding the Fourth Proportional to 11,293.69, 15,588.66 and 7,315.06

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Solution

The fourth proportional to 11,293.69, 15,588.66 and 7,315.06 is: 10,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.69 : 15,588.66 = 7,315.06 : x
  2. Step 2: Convert to fraction form
    11,293.69/15,588.66 = 7,315.06/x
  3. Step 3: Cross multiply
    11,293.69x = 15,588.66 × 7,315.06
  4. Step 4: Simplify right side
    11,293.69x = 114,031,983.22
  5. Step 5: Solve for x
    x = 114,031,983.22/11,293.69
  6. Step 6: Final answer
    x = 10,096.96

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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.