Home / 7,721.98-10,655.87-4,365.49

Finding the Fourth Proportional to 7,721.98, 10,655.87 and 4,365.49

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Solution

The fourth proportional to 7,721.98, 10,655.87 and 4,365.49 is: 6,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.98 : 10,655.87 = 4,365.49 : x
  2. Step 2: Convert to fraction form
    7,721.98/10,655.87 = 4,365.49/x
  3. Step 3: Cross multiply
    7,721.98x = 10,655.87 × 4,365.49
  4. Step 4: Simplify right side
    7,721.98x = 46,518,078.20
  5. Step 5: Solve for x
    x = 46,518,078.20/7,721.98
  6. Step 6: Final answer
    x = 6,024.11

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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.