Home / 8,464.37-11,681.01-5,485.39

Finding the Fourth Proportional to 8,464.37, 11,681.01 and 5,485.39

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Solution

The fourth proportional to 8,464.37, 11,681.01 and 5,485.39 is: 7,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.37 : 11,681.01 = 5,485.39 : x
  2. Step 2: Convert to fraction form
    8,464.37/11,681.01 = 5,485.39/x
  3. Step 3: Cross multiply
    8,464.37x = 11,681.01 × 5,485.39
  4. Step 4: Simplify right side
    8,464.37x = 64,074,866.24
  5. Step 5: Solve for x
    x = 64,074,866.24/8,464.37
  6. Step 6: Final answer
    x = 7,569.96

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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.