Home / 9,043.24-12,479.37-5,009.90

Finding the Fourth Proportional to 9,043.24, 12,479.37 and 5,009.90

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Solution

The fourth proportional to 9,043.24, 12,479.37 and 5,009.90 is: 6,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.24 : 12,479.37 = 5,009.90 : x
  2. Step 2: Convert to fraction form
    9,043.24/12,479.37 = 5,009.90/x
  3. Step 3: Cross multiply
    9,043.24x = 12,479.37 × 5,009.90
  4. Step 4: Simplify right side
    9,043.24x = 62,520,391.95
  5. Step 5: Solve for x
    x = 62,520,391.95/9,043.24
  6. Step 6: Final answer
    x = 6,913.50

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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.