Home / 7,988.46-11,024.40-4,451.58

Finding the Fourth Proportional to 7,988.46, 11,024.40 and 4,451.58

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Solution

The fourth proportional to 7,988.46, 11,024.40 and 4,451.58 is: 6,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.46 : 11,024.40 = 4,451.58 : x
  2. Step 2: Convert to fraction form
    7,988.46/11,024.40 = 4,451.58/x
  3. Step 3: Cross multiply
    7,988.46x = 11,024.40 × 4,451.58
  4. Step 4: Simplify right side
    7,988.46x = 49,075,998.55
  5. Step 5: Solve for x
    x = 49,075,998.55/7,988.46
  6. Step 6: Final answer
    x = 6,143.36

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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.