Home / 7,929.69-11,912.76-5,595.06

Finding the Fourth Proportional to 7,929.69, 11,912.76 and 5,595.06

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Solution

The fourth proportional to 7,929.69, 11,912.76 and 5,595.06 is: 8,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.69 : 11,912.76 = 5,595.06 : x
  2. Step 2: Convert to fraction form
    7,929.69/11,912.76 = 5,595.06/x
  3. Step 3: Cross multiply
    7,929.69x = 11,912.76 × 5,595.06
  4. Step 4: Simplify right side
    7,929.69x = 66,652,606.97
  5. Step 5: Solve for x
    x = 66,652,606.97/7,929.69
  6. Step 6: Final answer
    x = 8,405.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.