Home / 10,957.74-16,436.46-7,439.04

Finding the Fourth Proportional to 10,957.74, 16,436.46 and 7,439.04

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Solution

The fourth proportional to 10,957.74, 16,436.46 and 7,439.04 is: 11,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.74 : 16,436.46 = 7,439.04 : x
  2. Step 2: Convert to fraction form
    10,957.74/16,436.46 = 7,439.04/x
  3. Step 3: Cross multiply
    10,957.74x = 16,436.46 × 7,439.04
  4. Step 4: Simplify right side
    10,957.74x = 122,271,483.40
  5. Step 5: Solve for x
    x = 122,271,483.40/10,957.74
  6. Step 6: Final answer
    x = 11,158.46

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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.