Home / 9,616.10-13,270.21-5,424.35

Finding the Fourth Proportional to 9,616.10, 13,270.21 and 5,424.35

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Solution

The fourth proportional to 9,616.10, 13,270.21 and 5,424.35 is: 7,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616.10 : 13,270.21 = 5,424.35 : x
  2. Step 2: Convert to fraction form
    9,616.10/13,270.21 = 5,424.35/x
  3. Step 3: Cross multiply
    9,616.10x = 13,270.21 × 5,424.35
  4. Step 4: Simplify right side
    9,616.10x = 71,982,263.61
  5. Step 5: Solve for x
    x = 71,982,263.61/9,616.10
  6. Step 6: Final answer
    x = 7,485.60

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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.