Home / 7,312.04-10,968.36-2,381.72

Finding the Fourth Proportional to 7,312.04, 10,968.36 and 2,381.72

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Solution

The fourth proportional to 7,312.04, 10,968.36 and 2,381.72 is: 3,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.04 : 10,968.36 = 2,381.72 : x
  2. Step 2: Convert to fraction form
    7,312.04/10,968.36 = 2,381.72/x
  3. Step 3: Cross multiply
    7,312.04x = 10,968.36 × 2,381.72
  4. Step 4: Simplify right side
    7,312.04x = 26,123,573.70
  5. Step 5: Solve for x
    x = 26,123,573.70/7,312.04
  6. Step 6: Final answer
    x = 3,572.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.