Home / 9,328.24-12,872.95-5,079.23

Finding the Fourth Proportional to 9,328.24, 12,872.95 and 5,079.23

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Solution

The fourth proportional to 9,328.24, 12,872.95 and 5,079.23 is: 7,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.24 : 12,872.95 = 5,079.23 : x
  2. Step 2: Convert to fraction form
    9,328.24/12,872.95 = 5,079.23/x
  3. Step 3: Cross multiply
    9,328.24x = 12,872.95 × 5,079.23
  4. Step 4: Simplify right side
    9,328.24x = 65,384,693.31
  5. Step 5: Solve for x
    x = 65,384,693.31/9,328.24
  6. Step 6: Final answer
    x = 7,009.33

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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.