Home / 13,093.25-18,068.64-7,124.91

Finding the Fourth Proportional to 13,093.25, 18,068.64 and 7,124.91

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Solution

The fourth proportional to 13,093.25, 18,068.64 and 7,124.91 is: 9,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.25 : 18,068.64 = 7,124.91 : x
  2. Step 2: Convert to fraction form
    13,093.25/18,068.64 = 7,124.91/x
  3. Step 3: Cross multiply
    13,093.25x = 18,068.64 × 7,124.91
  4. Step 4: Simplify right side
    13,093.25x = 128,737,501.10
  5. Step 5: Solve for x
    x = 128,737,501.10/13,093.25
  6. Step 6: Final answer
    x = 9,832.36

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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.