Home / 10,720.49-14,791.59-6,184.55

Finding the Fourth Proportional to 10,720.49, 14,791.59 and 6,184.55

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Solution

The fourth proportional to 10,720.49, 14,791.59 and 6,184.55 is: 8,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.49 : 14,791.59 = 6,184.55 : x
  2. Step 2: Convert to fraction form
    10,720.49/14,791.59 = 6,184.55/x
  3. Step 3: Cross multiply
    10,720.49x = 14,791.59 × 6,184.55
  4. Step 4: Simplify right side
    10,720.49x = 91,479,253.98
  5. Step 5: Solve for x
    x = 91,479,253.98/10,720.49
  6. Step 6: Final answer
    x = 8,533.13

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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.