Home / 9,417.24-12,998.14-5,440.66

Finding the Fourth Proportional to 9,417.24, 12,998.14 and 5,440.66

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Solution

The fourth proportional to 9,417.24, 12,998.14 and 5,440.66 is: 7,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.24 : 12,998.14 = 5,440.66 : x
  2. Step 2: Convert to fraction form
    9,417.24/12,998.14 = 5,440.66/x
  3. Step 3: Cross multiply
    9,417.24x = 12,998.14 × 5,440.66
  4. Step 4: Simplify right side
    9,417.24x = 70,718,414.28
  5. Step 5: Solve for x
    x = 70,718,414.28/9,417.24
  6. Step 6: Final answer
    x = 7,509.46

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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.