Home / 12,280.26-16,953.15-9,585.69

Finding the Fourth Proportional to 12,280.26, 16,953.15 and 9,585.69

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Solution

The fourth proportional to 12,280.26, 16,953.15 and 9,585.69 is: 13,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.26 : 16,953.15 = 9,585.69 : x
  2. Step 2: Convert to fraction form
    12,280.26/16,953.15 = 9,585.69/x
  3. Step 3: Cross multiply
    12,280.26x = 16,953.15 × 9,585.69
  4. Step 4: Simplify right side
    12,280.26x = 162,507,640.42
  5. Step 5: Solve for x
    x = 162,507,640.42/12,280.26
  6. Step 6: Final answer
    x = 13,233.24

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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.