Home / 11,045.51-15,239.16-6,792.20

Finding the Fourth Proportional to 11,045.51, 15,239.16 and 6,792.20

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Solution

The fourth proportional to 11,045.51, 15,239.16 and 6,792.20 is: 9,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.51 : 15,239.16 = 6,792.20 : x
  2. Step 2: Convert to fraction form
    11,045.51/15,239.16 = 6,792.20/x
  3. Step 3: Cross multiply
    11,045.51x = 15,239.16 × 6,792.20
  4. Step 4: Simplify right side
    11,045.51x = 103,507,346.36
  5. Step 5: Solve for x
    x = 103,507,346.36/11,045.51
  6. Step 6: Final answer
    x = 9,370.99

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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.