Home / 10,957.10-16,435.65-9,134.60

Finding the Fourth Proportional to 10,957.10, 16,435.65 and 9,134.60

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Solution

The fourth proportional to 10,957.10, 16,435.65 and 9,134.60 is: 13,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.10 : 16,435.65 = 9,134.60 : x
  2. Step 2: Convert to fraction form
    10,957.10/16,435.65 = 9,134.60/x
  3. Step 3: Cross multiply
    10,957.10x = 16,435.65 × 9,134.60
  4. Step 4: Simplify right side
    10,957.10x = 150,133,088.49
  5. Step 5: Solve for x
    x = 150,133,088.49/10,957.10
  6. Step 6: Final answer
    x = 13,701.90

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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.