Home / 10,739.52-14,825.57-7,160.45

Finding the Fourth Proportional to 10,739.52, 14,825.57 and 7,160.45

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Solution

The fourth proportional to 10,739.52, 14,825.57 and 7,160.45 is: 9,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.52 : 14,825.57 = 7,160.45 : x
  2. Step 2: Convert to fraction form
    10,739.52/14,825.57 = 7,160.45/x
  3. Step 3: Cross multiply
    10,739.52x = 14,825.57 × 7,160.45
  4. Step 4: Simplify right side
    10,739.52x = 106,157,642.78
  5. Step 5: Solve for x
    x = 106,157,642.78/10,739.52
  6. Step 6: Final answer
    x = 9,884.77

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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.