Home / 9,860.94-13,608.20-5,384.74

Finding the Fourth Proportional to 9,860.94, 13,608.20 and 5,384.74

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Solution

The fourth proportional to 9,860.94, 13,608.20 and 5,384.74 is: 7,431.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.94 : 13,608.20 = 5,384.74 : x
  2. Step 2: Convert to fraction form
    9,860.94/13,608.20 = 5,384.74/x
  3. Step 3: Cross multiply
    9,860.94x = 13,608.20 × 5,384.74
  4. Step 4: Simplify right side
    9,860.94x = 73,276,618.87
  5. Step 5: Solve for x
    x = 73,276,618.87/9,860.94
  6. Step 6: Final answer
    x = 7,431.00

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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.