Home / 9,827.60-13,562.12-5,351.36

Finding the Fourth Proportional to 9,827.60, 13,562.12 and 5,351.36

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Solution

The fourth proportional to 9,827.60, 13,562.12 and 5,351.36 is: 7,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.60 : 13,562.12 = 5,351.36 : x
  2. Step 2: Convert to fraction form
    9,827.60/13,562.12 = 5,351.36/x
  3. Step 3: Cross multiply
    9,827.60x = 13,562.12 × 5,351.36
  4. Step 4: Simplify right side
    9,827.60x = 72,575,786.48
  5. Step 5: Solve for x
    x = 72,575,786.48/9,827.60
  6. Step 6: Final answer
    x = 7,384.89

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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.