Home / 9,070.86-12,519.15-5,536.11

Finding the Fourth Proportional to 9,070.86, 12,519.15 and 5,536.11

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Solution

The fourth proportional to 9,070.86, 12,519.15 and 5,536.11 is: 7,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.86 : 12,519.15 = 5,536.11 : x
  2. Step 2: Convert to fraction form
    9,070.86/12,519.15 = 5,536.11/x
  3. Step 3: Cross multiply
    9,070.86x = 12,519.15 × 5,536.11
  4. Step 4: Simplify right side
    9,070.86x = 69,307,391.51
  5. Step 5: Solve for x
    x = 69,307,391.51/9,070.86
  6. Step 6: Final answer
    x = 7,640.66

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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.