Home / 9,501.51-13,112.36-5,309.76

Finding the Fourth Proportional to 9,501.51, 13,112.36 and 5,309.76

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Solution

The fourth proportional to 9,501.51, 13,112.36 and 5,309.76 is: 7,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,501.51 : 13,112.36 = 5,309.76 : x
  2. Step 2: Convert to fraction form
    9,501.51/13,112.36 = 5,309.76/x
  3. Step 3: Cross multiply
    9,501.51x = 13,112.36 × 5,309.76
  4. Step 4: Simplify right side
    9,501.51x = 69,623,484.63
  5. Step 5: Solve for x
    x = 69,623,484.63/9,501.51
  6. Step 6: Final answer
    x = 7,327.62

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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.