Home / 12,036.25-16,612.32-8,064.29

Finding the Fourth Proportional to 12,036.25, 16,612.32 and 8,064.29

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Solution

The fourth proportional to 12,036.25, 16,612.32 and 8,064.29 is: 11,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.25 : 16,612.32 = 8,064.29 : x
  2. Step 2: Convert to fraction form
    12,036.25/16,612.32 = 8,064.29/x
  3. Step 3: Cross multiply
    12,036.25x = 16,612.32 × 8,064.29
  4. Step 4: Simplify right side
    12,036.25x = 133,966,482.99
  5. Step 5: Solve for x
    x = 133,966,482.99/12,036.25
  6. Step 6: Final answer
    x = 11,130.25

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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.