Home / 10,085.16-15,137.46-4,894.68

Finding the Fourth Proportional to 10,085.16, 15,137.46 and 4,894.68

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Solution

The fourth proportional to 10,085.16, 15,137.46 and 4,894.68 is: 7,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.16 : 15,137.46 = 4,894.68 : x
  2. Step 2: Convert to fraction form
    10,085.16/15,137.46 = 4,894.68/x
  3. Step 3: Cross multiply
    10,085.16x = 15,137.46 × 4,894.68
  4. Step 4: Simplify right side
    10,085.16x = 74,093,022.71
  5. Step 5: Solve for x
    x = 74,093,022.71/10,085.16
  6. Step 6: Final answer
    x = 7,346.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.