Home / 9,534.75-13,158.77-5,343.81

Finding the Fourth Proportional to 9,534.75, 13,158.77 and 5,343.81

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Solution

The fourth proportional to 9,534.75, 13,158.77 and 5,343.81 is: 7,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,534.75 : 13,158.77 = 5,343.81 : x
  2. Step 2: Convert to fraction form
    9,534.75/13,158.77 = 5,343.81/x
  3. Step 3: Cross multiply
    9,534.75x = 13,158.77 × 5,343.81
  4. Step 4: Simplify right side
    9,534.75x = 70,317,939.99
  5. Step 5: Solve for x
    x = 70,317,939.99/9,534.75
  6. Step 6: Final answer
    x = 7,374.91

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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.