Home / 7,254.72-10,011.49-4,422.09

Finding the Fourth Proportional to 7,254.72, 10,011.49 and 4,422.09

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Solution

The fourth proportional to 7,254.72, 10,011.49 and 4,422.09 is: 6,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.72 : 10,011.49 = 4,422.09 : x
  2. Step 2: Convert to fraction form
    7,254.72/10,011.49 = 4,422.09/x
  3. Step 3: Cross multiply
    7,254.72x = 10,011.49 × 4,422.09
  4. Step 4: Simplify right side
    7,254.72x = 44,271,709.81
  5. Step 5: Solve for x
    x = 44,271,709.81/7,254.72
  6. Step 6: Final answer
    x = 6,102.47

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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.