Home / 9,390.36-14,079.88-6,465.48

Finding the Fourth Proportional to 9,390.36, 14,079.88 and 6,465.48

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Solution

The fourth proportional to 9,390.36, 14,079.88 and 6,465.48 is: 9,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.36 : 14,079.88 = 6,465.48 : x
  2. Step 2: Convert to fraction form
    9,390.36/14,079.88 = 6,465.48/x
  3. Step 3: Cross multiply
    9,390.36x = 14,079.88 × 6,465.48
  4. Step 4: Simplify right side
    9,390.36x = 91,033,182.54
  5. Step 5: Solve for x
    x = 91,033,182.54/9,390.36
  6. Step 6: Final answer
    x = 9,694.32

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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.