Home / 9,827.46-13,561.43-5,351.20

Finding the Fourth Proportional to 9,827.46, 13,561.43 and 5,351.20

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Solution

The fourth proportional to 9,827.46, 13,561.43 and 5,351.20 is: 7,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.46 : 13,561.43 = 5,351.20 : x
  2. Step 2: Convert to fraction form
    9,827.46/13,561.43 = 5,351.20/x
  3. Step 3: Cross multiply
    9,827.46x = 13,561.43 × 5,351.20
  4. Step 4: Simplify right side
    9,827.46x = 72,569,903.69
  5. Step 5: Solve for x
    x = 72,569,903.69/9,827.46
  6. Step 6: Final answer
    x = 7,384.40

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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.