Home / 7,495.64-10,344.66-4,139.18

Finding the Fourth Proportional to 7,495.64, 10,344.66 and 4,139.18

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Solution

The fourth proportional to 7,495.64, 10,344.66 and 4,139.18 is: 5,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.64 : 10,344.66 = 4,139.18 : x
  2. Step 2: Convert to fraction form
    7,495.64/10,344.66 = 4,139.18/x
  3. Step 3: Cross multiply
    7,495.64x = 10,344.66 × 4,139.18
  4. Step 4: Simplify right side
    7,495.64x = 42,818,409.78
  5. Step 5: Solve for x
    x = 42,818,409.78/7,495.64
  6. Step 6: Final answer
    x = 5,712.44

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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.