Home / 9,501.89-13,111.13-5,309.33

Finding the Fourth Proportional to 9,501.89, 13,111.13 and 5,309.33

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Solution

The fourth proportional to 9,501.89, 13,111.13 and 5,309.33 is: 7,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,501.89 : 13,111.13 = 5,309.33 : x
  2. Step 2: Convert to fraction form
    9,501.89/13,111.13 = 5,309.33/x
  3. Step 3: Cross multiply
    9,501.89x = 13,111.13 × 5,309.33
  4. Step 4: Simplify right side
    9,501.89x = 69,611,263.56
  5. Step 5: Solve for x
    x = 69,611,263.56/9,501.89
  6. Step 6: Final answer
    x = 7,326.05

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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.