Home / 9,664.20-13,330.98-5,471.64

Finding the Fourth Proportional to 9,664.20, 13,330.98 and 5,471.64

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Solution

The fourth proportional to 9,664.20, 13,330.98 and 5,471.64 is: 7,547.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.20 : 13,330.98 = 5,471.64 : x
  2. Step 2: Convert to fraction form
    9,664.20/13,330.98 = 5,471.64/x
  3. Step 3: Cross multiply
    9,664.20x = 13,330.98 × 5,471.64
  4. Step 4: Simplify right side
    9,664.20x = 72,942,323.41
  5. Step 5: Solve for x
    x = 72,942,323.41/9,664.20
  6. Step 6: Final answer
    x = 7,547.68

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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.