Home / 8,458.46-11,672.40-4,681.64

Finding the Fourth Proportional to 8,458.46, 11,672.40 and 4,681.64

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Solution

The fourth proportional to 8,458.46, 11,672.40 and 4,681.64 is: 6,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.46 : 11,672.40 = 4,681.64 : x
  2. Step 2: Convert to fraction form
    8,458.46/11,672.40 = 4,681.64/x
  3. Step 3: Cross multiply
    8,458.46x = 11,672.40 × 4,681.64
  4. Step 4: Simplify right side
    8,458.46x = 54,645,916.37
  5. Step 5: Solve for x
    x = 54,645,916.37/8,458.46
  6. Step 6: Final answer
    x = 6,460.51

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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.