Home / 10,399.58-14,355.33-7,059.68

Finding the Fourth Proportional to 10,399.58, 14,355.33 and 7,059.68

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Solution

The fourth proportional to 10,399.58, 14,355.33 and 7,059.68 is: 9,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.58 : 14,355.33 = 7,059.68 : x
  2. Step 2: Convert to fraction form
    10,399.58/14,355.33 = 7,059.68/x
  3. Step 3: Cross multiply
    10,399.58x = 14,355.33 × 7,059.68
  4. Step 4: Simplify right side
    10,399.58x = 101,344,036.09
  5. Step 5: Solve for x
    x = 101,344,036.09/10,399.58
  6. Step 6: Final answer
    x = 9,745.01

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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.