Home / 9,319.33-12,860.76-5,070.43

Finding the Fourth Proportional to 9,319.33, 12,860.76 and 5,070.43

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Solution

The fourth proportional to 9,319.33, 12,860.76 and 5,070.43 is: 6,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.33 : 12,860.76 = 5,070.43 : x
  2. Step 2: Convert to fraction form
    9,319.33/12,860.76 = 5,070.43/x
  3. Step 3: Cross multiply
    9,319.33x = 12,860.76 × 5,070.43
  4. Step 4: Simplify right side
    9,319.33x = 65,209,583.33
  5. Step 5: Solve for x
    x = 65,209,583.33/9,319.33
  6. Step 6: Final answer
    x = 6,997.24

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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.