Home / 7,185.36-9,916.38-4,041.84

Finding the Fourth Proportional to 7,185.36, 9,916.38 and 4,041.84

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Solution

The fourth proportional to 7,185.36, 9,916.38 and 4,041.84 is: 5,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.36 : 9,916.38 = 4,041.84 : x
  2. Step 2: Convert to fraction form
    7,185.36/9,916.38 = 4,041.84/x
  3. Step 3: Cross multiply
    7,185.36x = 9,916.38 × 4,041.84
  4. Step 4: Simplify right side
    7,185.36x = 40,080,421.34
  5. Step 5: Solve for x
    x = 40,080,421.34/7,185.36
  6. Step 6: Final answer
    x = 5,578.07

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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.