Home / 10,087.15-15,130.84-3,068.31

Finding the Fourth Proportional to 10,087.15, 15,130.84 and 3,068.31

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Solution

The fourth proportional to 10,087.15, 15,130.84 and 3,068.31 is: 4,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.15 : 15,130.84 = 3,068.31 : x
  2. Step 2: Convert to fraction form
    10,087.15/15,130.84 = 3,068.31/x
  3. Step 3: Cross multiply
    10,087.15x = 15,130.84 × 3,068.31
  4. Step 4: Simplify right side
    10,087.15x = 46,426,107.68
  5. Step 5: Solve for x
    x = 46,426,107.68/10,087.15
  6. Step 6: Final answer
    x = 4,602.50

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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.