Home / 7,312.10-10,967.34-2,117.98

Finding the Fourth Proportional to 7,312.10, 10,967.34 and 2,117.98

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Solution

The fourth proportional to 7,312.10, 10,967.34 and 2,117.98 is: 3,176.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.10 : 10,967.34 = 2,117.98 : x
  2. Step 2: Convert to fraction form
    7,312.10/10,967.34 = 2,117.98/x
  3. Step 3: Cross multiply
    7,312.10x = 10,967.34 × 2,117.98
  4. Step 4: Simplify right side
    7,312.10x = 23,228,551.94
  5. Step 5: Solve for x
    x = 23,228,551.94/7,312.10
  6. Step 6: Final answer
    x = 3,176.73

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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.