Home / 9,621.54-13,281.06-5,644.02

Finding the Fourth Proportional to 9,621.54, 13,281.06 and 5,644.02

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Solution

The fourth proportional to 9,621.54, 13,281.06 and 5,644.02 is: 7,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.54 : 13,281.06 = 5,644.02 : x
  2. Step 2: Convert to fraction form
    9,621.54/13,281.06 = 5,644.02/x
  3. Step 3: Cross multiply
    9,621.54x = 13,281.06 × 5,644.02
  4. Step 4: Simplify right side
    9,621.54x = 74,958,568.26
  5. Step 5: Solve for x
    x = 74,958,568.26/9,621.54
  6. Step 6: Final answer
    x = 7,790.70

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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.