Home / 10,160.51-14,020.16-5,683.77

Finding the Fourth Proportional to 10,160.51, 14,020.16 and 5,683.77

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Solution

The fourth proportional to 10,160.51, 14,020.16 and 5,683.77 is: 7,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.51 : 14,020.16 = 5,683.77 : x
  2. Step 2: Convert to fraction form
    10,160.51/14,020.16 = 5,683.77/x
  3. Step 3: Cross multiply
    10,160.51x = 14,020.16 × 5,683.77
  4. Step 4: Simplify right side
    10,160.51x = 79,687,336.38
  5. Step 5: Solve for x
    x = 79,687,336.38/10,160.51
  6. Step 6: Final answer
    x = 7,842.85

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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.