Home / 8,685.06-11,985.36-4,706.19

Finding the Fourth Proportional to 8,685.06, 11,985.36 and 4,706.19

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Solution

The fourth proportional to 8,685.06, 11,985.36 and 4,706.19 is: 6,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.06 : 11,985.36 = 4,706.19 : x
  2. Step 2: Convert to fraction form
    8,685.06/11,985.36 = 4,706.19/x
  3. Step 3: Cross multiply
    8,685.06x = 11,985.36 × 4,706.19
  4. Step 4: Simplify right side
    8,685.06x = 56,405,381.38
  5. Step 5: Solve for x
    x = 56,405,381.38/8,685.06
  6. Step 6: Final answer
    x = 6,494.53

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Half scale
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Double 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.