Home / 10,087.53-15,131.40-3,068.68

Finding the Fourth Proportional to 10,087.53, 15,131.40 and 3,068.68

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Solution

The fourth proportional to 10,087.53, 15,131.40 and 3,068.68 is: 4,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.53 : 15,131.40 = 3,068.68 : x
  2. Step 2: Convert to fraction form
    10,087.53/15,131.40 = 3,068.68/x
  3. Step 3: Cross multiply
    10,087.53x = 15,131.40 × 3,068.68
  4. Step 4: Simplify right side
    10,087.53x = 46,433,409.21
  5. Step 5: Solve for x
    x = 46,433,409.21/10,087.53
  6. Step 6: Final answer
    x = 4,603.05

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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.