Home / 7,028.65-9,689.56-5,013.06

Finding the Fourth Proportional to 7,028.65, 9,689.56 and 5,013.06

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Solution

The fourth proportional to 7,028.65, 9,689.56 and 5,013.06 is: 6,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.65 : 9,689.56 = 5,013.06 : x
  2. Step 2: Convert to fraction form
    7,028.65/9,689.56 = 5,013.06/x
  3. Step 3: Cross multiply
    7,028.65x = 9,689.56 × 5,013.06
  4. Step 4: Simplify right side
    7,028.65x = 48,574,345.65
  5. Step 5: Solve for x
    x = 48,574,345.65/7,028.65
  6. Step 6: Final answer
    x = 6,910.91

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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.