Home / 10,417.39-15,607.85-8,673.60

Finding the Fourth Proportional to 10,417.39, 15,607.85 and 8,673.60

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Solution

The fourth proportional to 10,417.39, 15,607.85 and 8,673.60 is: 12,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.39 : 15,607.85 = 8,673.60 : x
  2. Step 2: Convert to fraction form
    10,417.39/15,607.85 = 8,673.60/x
  3. Step 3: Cross multiply
    10,417.39x = 15,607.85 × 8,673.60
  4. Step 4: Simplify right side
    10,417.39x = 135,376,269.44
  5. Step 5: Solve for x
    x = 135,376,269.44/10,417.39
  6. Step 6: Final answer
    x = 12,995.22

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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.