Home / 10,907.40-16,361.10-10,688.70

Finding the Fourth Proportional to 10,907.40, 16,361.10 and 10,688.70

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Solution

The fourth proportional to 10,907.40, 16,361.10 and 10,688.70 is: 16,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.40 : 16,361.10 = 10,688.70 : x
  2. Step 2: Convert to fraction form
    10,907.40/16,361.10 = 10,688.70/x
  3. Step 3: Cross multiply
    10,907.40x = 16,361.10 × 10,688.70
  4. Step 4: Simplify right side
    10,907.40x = 174,878,889.57
  5. Step 5: Solve for x
    x = 174,878,889.57/10,907.40
  6. Step 6: Final answer
    x = 16,033.05

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Double scale
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Similar ratio
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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.