Home / 10,140.84-15,188.16-7,006.60

Finding the Fourth Proportional to 10,140.84, 15,188.16 and 7,006.60

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Solution

The fourth proportional to 10,140.84, 15,188.16 and 7,006.60 is: 10,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.84 : 15,188.16 = 7,006.60 : x
  2. Step 2: Convert to fraction form
    10,140.84/15,188.16 = 7,006.60/x
  3. Step 3: Cross multiply
    10,140.84x = 15,188.16 × 7,006.60
  4. Step 4: Simplify right side
    10,140.84x = 106,417,361.86
  5. Step 5: Solve for x
    x = 106,417,361.86/10,140.84
  6. Step 6: Final answer
    x = 10,493.94

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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.