Home / 9,216.93-12,718.99-5,440.24

Finding the Fourth Proportional to 9,216.93, 12,718.99 and 5,440.24

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Solution

The fourth proportional to 9,216.93, 12,718.99 and 5,440.24 is: 7,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.93 : 12,718.99 = 5,440.24 : x
  2. Step 2: Convert to fraction form
    9,216.93/12,718.99 = 5,440.24/x
  3. Step 3: Cross multiply
    9,216.93x = 12,718.99 × 5,440.24
  4. Step 4: Simplify right side
    9,216.93x = 69,194,358.16
  5. Step 5: Solve for x
    x = 69,194,358.16/9,216.93
  6. Step 6: Final answer
    x = 7,507.31

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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.