Home / 10,187.80-15,273.08-4,639.24

Finding the Fourth Proportional to 10,187.80, 15,273.08 and 4,639.24

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Solution

The fourth proportional to 10,187.80, 15,273.08 and 4,639.24 is: 6,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.80 : 15,273.08 = 4,639.24 : x
  2. Step 2: Convert to fraction form
    10,187.80/15,273.08 = 4,639.24/x
  3. Step 3: Cross multiply
    10,187.80x = 15,273.08 × 4,639.24
  4. Step 4: Simplify right side
    10,187.80x = 70,855,483.66
  5. Step 5: Solve for x
    x = 70,855,483.66/10,187.80
  6. Step 6: Final answer
    x = 6,954.93

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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.