Home / 9,319.01-12,860.24-5,070.42

Finding the Fourth Proportional to 9,319.01, 12,860.24 and 5,070.42

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Solution

The fourth proportional to 9,319.01, 12,860.24 and 5,070.42 is: 6,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.01 : 12,860.24 = 5,070.42 : x
  2. Step 2: Convert to fraction form
    9,319.01/12,860.24 = 5,070.42/x
  3. Step 3: Cross multiply
    9,319.01x = 12,860.24 × 5,070.42
  4. Step 4: Simplify right side
    9,319.01x = 65,206,871.70
  5. Step 5: Solve for x
    x = 65,206,871.70/9,319.01
  6. Step 6: Final answer
    x = 6,997.19

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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.