Home / 7,615.47-11,469.45-6,703.05

Finding the Fourth Proportional to 7,615.47, 11,469.45 and 6,703.05

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Solution

The fourth proportional to 7,615.47, 11,469.45 and 6,703.05 is: 10,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.47 : 11,469.45 = 6,703.05 : x
  2. Step 2: Convert to fraction form
    7,615.47/11,469.45 = 6,703.05/x
  3. Step 3: Cross multiply
    7,615.47x = 11,469.45 × 6,703.05
  4. Step 4: Simplify right side
    7,615.47x = 76,880,296.82
  5. Step 5: Solve for x
    x = 76,880,296.82/7,615.47
  6. Step 6: Final answer
    x = 10,095.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.