Home / 13,051.58-18,011.32-7,083.30

Finding the Fourth Proportional to 13,051.58, 18,011.32 and 7,083.30

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Solution

The fourth proportional to 13,051.58, 18,011.32 and 7,083.30 is: 9,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.58 : 18,011.32 = 7,083.30 : x
  2. Step 2: Convert to fraction form
    13,051.58/18,011.32 = 7,083.30/x
  3. Step 3: Cross multiply
    13,051.58x = 18,011.32 × 7,083.30
  4. Step 4: Simplify right side
    13,051.58x = 127,579,547.54
  5. Step 5: Solve for x
    x = 127,579,547.54/13,051.58
  6. Step 6: Final answer
    x = 9,775.03

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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.