Home / 9,070.44-12,513.63-5,239.55

Finding the Fourth Proportional to 9,070.44, 12,513.63 and 5,239.55

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Solution

The fourth proportional to 9,070.44, 12,513.63 and 5,239.55 is: 7,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.44 : 12,513.63 = 5,239.55 : x
  2. Step 2: Convert to fraction form
    9,070.44/12,513.63 = 5,239.55/x
  3. Step 3: Cross multiply
    9,070.44x = 12,513.63 × 5,239.55
  4. Step 4: Simplify right side
    9,070.44x = 65,565,727.50
  5. Step 5: Solve for x
    x = 65,565,727.50/9,070.44
  6. Step 6: Final answer
    x = 7,228.51

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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.