Home / 9,223.28-12,728.08-5,031.52

Finding the Fourth Proportional to 9,223.28, 12,728.08 and 5,031.52

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Solution

The fourth proportional to 9,223.28, 12,728.08 and 5,031.52 is: 6,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.28 : 12,728.08 = 5,031.52 : x
  2. Step 2: Convert to fraction form
    9,223.28/12,728.08 = 5,031.52/x
  3. Step 3: Cross multiply
    9,223.28x = 12,728.08 × 5,031.52
  4. Step 4: Simplify right side
    9,223.28x = 64,041,589.08
  5. Step 5: Solve for x
    x = 64,041,589.08/9,223.28
  6. Step 6: Final answer
    x = 6,943.47

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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.