Home / 7,070.90-10,610.33-6,513.21

Finding the Fourth Proportional to 7,070.90, 10,610.33 and 6,513.21

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Solution

The fourth proportional to 7,070.90, 10,610.33 and 6,513.21 is: 9,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.90 : 10,610.33 = 6,513.21 : x
  2. Step 2: Convert to fraction form
    7,070.90/10,610.33 = 6,513.21/x
  3. Step 3: Cross multiply
    7,070.90x = 10,610.33 × 6,513.21
  4. Step 4: Simplify right side
    7,070.90x = 69,107,274.89
  5. Step 5: Solve for x
    x = 69,107,274.89/7,070.90
  6. Step 6: Final answer
    x = 9,773.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.