Home / 9,674.32-13,353.60-5,485.36

Finding the Fourth Proportional to 9,674.32, 13,353.60 and 5,485.36

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Solution

The fourth proportional to 9,674.32, 13,353.60 and 5,485.36 is: 7,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,674.32 : 13,353.60 = 5,485.36 : x
  2. Step 2: Convert to fraction form
    9,674.32/13,353.60 = 5,485.36/x
  3. Step 3: Cross multiply
    9,674.32x = 13,353.60 × 5,485.36
  4. Step 4: Simplify right side
    9,674.32x = 73,249,303.30
  5. Step 5: Solve for x
    x = 73,249,303.30/9,674.32
  6. Step 6: Final answer
    x = 7,571.52

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Half scale
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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.