Home / 9,775.44-13,490.46-5,528.16

Finding the Fourth Proportional to 9,775.44, 13,490.46 and 5,528.16

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Solution

The fourth proportional to 9,775.44, 13,490.46 and 5,528.16 is: 7,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.44 : 13,490.46 = 5,528.16 : x
  2. Step 2: Convert to fraction form
    9,775.44/13,490.46 = 5,528.16/x
  3. Step 3: Cross multiply
    9,775.44x = 13,490.46 × 5,528.16
  4. Step 4: Simplify right side
    9,775.44x = 74,577,421.35
  5. Step 5: Solve for x
    x = 74,577,421.35/9,775.44
  6. Step 6: Final answer
    x = 7,629.06

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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.