Home / 11,026.75-15,210.93-6,776.28

Finding the Fourth Proportional to 11,026.75, 15,210.93 and 6,776.28

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Solution

The fourth proportional to 11,026.75, 15,210.93 and 6,776.28 is: 9,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.75 : 15,210.93 = 6,776.28 : x
  2. Step 2: Convert to fraction form
    11,026.75/15,210.93 = 6,776.28/x
  3. Step 3: Cross multiply
    11,026.75x = 15,210.93 × 6,776.28
  4. Step 4: Simplify right side
    11,026.75x = 103,073,541.29
  5. Step 5: Solve for x
    x = 103,073,541.29/11,026.75
  6. Step 6: Final answer
    x = 9,347.59

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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.