Home / 9,574.32-13,211.70-5,381.76

Finding the Fourth Proportional to 9,574.32, 13,211.70 and 5,381.76

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Solution

The fourth proportional to 9,574.32, 13,211.70 and 5,381.76 is: 7,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,574.32 : 13,211.70 = 5,381.76 : x
  2. Step 2: Convert to fraction form
    9,574.32/13,211.70 = 5,381.76/x
  3. Step 3: Cross multiply
    9,574.32x = 13,211.70 × 5,381.76
  4. Step 4: Simplify right side
    9,574.32x = 71,102,198.59
  5. Step 5: Solve for x
    x = 71,102,198.59/9,574.32
  6. Step 6: Final answer
    x = 7,426.34

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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.