Home / 15,485.28-23,227.60-5,097.12

Finding the Fourth Proportional to 15,485.28, 23,227.60 and 5,097.12

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Solution

The fourth proportional to 15,485.28, 23,227.60 and 5,097.12 is: 7,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.28 : 23,227.60 = 5,097.12 : x
  2. Step 2: Convert to fraction form
    15,485.28/23,227.60 = 5,097.12/x
  3. Step 3: Cross multiply
    15,485.28x = 23,227.60 × 5,097.12
  4. Step 4: Simplify right side
    15,485.28x = 118,393,864.51
  5. Step 5: Solve for x
    x = 118,393,864.51/15,485.28
  6. Step 6: Final answer
    x = 7,645.57

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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.