Home / 7,649.90-11,461.16-4,642.46

Finding the Fourth Proportional to 7,649.90, 11,461.16 and 4,642.46

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Solution

The fourth proportional to 7,649.90, 11,461.16 and 4,642.46 is: 6,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.90 : 11,461.16 = 4,642.46 : x
  2. Step 2: Convert to fraction form
    7,649.90/11,461.16 = 4,642.46/x
  3. Step 3: Cross multiply
    7,649.90x = 11,461.16 × 4,642.46
  4. Step 4: Simplify right side
    7,649.90x = 53,207,976.85
  5. Step 5: Solve for x
    x = 53,207,976.85/7,649.90
  6. Step 6: Final answer
    x = 6,955.38

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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.