Home / 7,622.10-11,432.61-2,075.76

Finding the Fourth Proportional to 7,622.10, 11,432.61 and 2,075.76

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Solution

The fourth proportional to 7,622.10, 11,432.61 and 2,075.76 is: 3,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.10 : 11,432.61 = 2,075.76 : x
  2. Step 2: Convert to fraction form
    7,622.10/11,432.61 = 2,075.76/x
  3. Step 3: Cross multiply
    7,622.10x = 11,432.61 × 2,075.76
  4. Step 4: Simplify right side
    7,622.10x = 23,731,354.53
  5. Step 5: Solve for x
    x = 23,731,354.53/7,622.10
  6. Step 6: Final answer
    x = 3,113.49

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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.