Home / 11,029.95-15,215.67-7,046.91

Finding the Fourth Proportional to 11,029.95, 15,215.67 and 7,046.91

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Solution

The fourth proportional to 11,029.95, 15,215.67 and 7,046.91 is: 9,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.95 : 15,215.67 = 7,046.91 : x
  2. Step 2: Convert to fraction form
    11,029.95/15,215.67 = 7,046.91/x
  3. Step 3: Cross multiply
    11,029.95x = 15,215.67 × 7,046.91
  4. Step 4: Simplify right side
    11,029.95x = 107,223,457.08
  5. Step 5: Solve for x
    x = 107,223,457.08/11,029.95
  6. Step 6: Final answer
    x = 9,721.12

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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.