Home / 7,258.21-10,021.12-5,576.55

Finding the Fourth Proportional to 7,258.21, 10,021.12 and 5,576.55

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Solution

The fourth proportional to 7,258.21, 10,021.12 and 5,576.55 is: 7,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.21 : 10,021.12 = 5,576.55 : x
  2. Step 2: Convert to fraction form
    7,258.21/10,021.12 = 5,576.55/x
  3. Step 3: Cross multiply
    7,258.21x = 10,021.12 × 5,576.55
  4. Step 4: Simplify right side
    7,258.21x = 55,883,225.22
  5. Step 5: Solve for x
    x = 55,883,225.22/7,258.21
  6. Step 6: Final answer
    x = 7,699.31

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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.