Home / 13,005.05-17,946.84-7,036.58

Finding the Fourth Proportional to 13,005.05, 17,946.84 and 7,036.58

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Solution

The fourth proportional to 13,005.05, 17,946.84 and 7,036.58 is: 9,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.05 : 17,946.84 = 7,036.58 : x
  2. Step 2: Convert to fraction form
    13,005.05/17,946.84 = 7,036.58/x
  3. Step 3: Cross multiply
    13,005.05x = 17,946.84 × 7,036.58
  4. Step 4: Simplify right side
    13,005.05x = 126,284,416.32
  5. Step 5: Solve for x
    x = 126,284,416.32/13,005.05
  6. Step 6: Final answer
    x = 9,710.42

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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.