Home / 8,460.39-11,675.40-4,683.66

Finding the Fourth Proportional to 8,460.39, 11,675.40 and 4,683.66

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Solution

The fourth proportional to 8,460.39, 11,675.40 and 4,683.66 is: 6,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.39 : 11,675.40 = 4,683.66 : x
  2. Step 2: Convert to fraction form
    8,460.39/11,675.40 = 4,683.66/x
  3. Step 3: Cross multiply
    8,460.39x = 11,675.40 × 4,683.66
  4. Step 4: Simplify right side
    8,460.39x = 54,683,603.96
  5. Step 5: Solve for x
    x = 54,683,603.96/8,460.39
  6. Step 6: Final answer
    x = 6,463.49

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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.