Home / 9,031.36-12,465.28-5,306.56

Finding the Fourth Proportional to 9,031.36, 12,465.28 and 5,306.56

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Solution

The fourth proportional to 9,031.36, 12,465.28 and 5,306.56 is: 7,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.36 : 12,465.28 = 5,306.56 : x
  2. Step 2: Convert to fraction form
    9,031.36/12,465.28 = 5,306.56/x
  3. Step 3: Cross multiply
    9,031.36x = 12,465.28 × 5,306.56
  4. Step 4: Simplify right side
    9,031.36x = 66,147,756.24
  5. Step 5: Solve for x
    x = 66,147,756.24/9,031.36
  6. Step 6: Final answer
    x = 7,324.23

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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.