Home / 7,782.48-10,736.55-5,425.99

Finding the Fourth Proportional to 7,782.48, 10,736.55 and 5,425.99

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Solution

The fourth proportional to 7,782.48, 10,736.55 and 5,425.99 is: 7,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.48 : 10,736.55 = 5,425.99 : x
  2. Step 2: Convert to fraction form
    7,782.48/10,736.55 = 5,425.99/x
  3. Step 3: Cross multiply
    7,782.48x = 10,736.55 × 5,425.99
  4. Step 4: Simplify right side
    7,782.48x = 58,256,386.09
  5. Step 5: Solve for x
    x = 58,256,386.09/7,782.48
  6. Step 6: Final answer
    x = 7,485.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.