Home / 9,119.16-12,583.72-5,341.84

Finding the Fourth Proportional to 9,119.16, 12,583.72 and 5,341.84

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Solution

The fourth proportional to 9,119.16, 12,583.72 and 5,341.84 is: 7,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.16 : 12,583.72 = 5,341.84 : x
  2. Step 2: Convert to fraction form
    9,119.16/12,583.72 = 5,341.84/x
  3. Step 3: Cross multiply
    9,119.16x = 12,583.72 × 5,341.84
  4. Step 4: Simplify right side
    9,119.16x = 67,220,218.84
  5. Step 5: Solve for x
    x = 67,220,218.84/9,119.16
  6. Step 6: Final answer
    x = 7,371.32

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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.