Home / 9,830.88-14,752.80-5,217.12

Finding the Fourth Proportional to 9,830.88, 14,752.80 and 5,217.12

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Solution

The fourth proportional to 9,830.88, 14,752.80 and 5,217.12 is: 7,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.88 : 14,752.80 = 5,217.12 : x
  2. Step 2: Convert to fraction form
    9,830.88/14,752.80 = 5,217.12/x
  3. Step 3: Cross multiply
    9,830.88x = 14,752.80 × 5,217.12
  4. Step 4: Simplify right side
    9,830.88x = 76,967,127.94
  5. Step 5: Solve for x
    x = 76,967,127.94/9,830.88
  6. Step 6: Final answer
    x = 7,829.12

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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.