Home / 10,449.71-15,669.95-4,898.57

Finding the Fourth Proportional to 10,449.71, 15,669.95 and 4,898.57

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Solution

The fourth proportional to 10,449.71, 15,669.95 and 4,898.57 is: 7,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.71 : 15,669.95 = 4,898.57 : x
  2. Step 2: Convert to fraction form
    10,449.71/15,669.95 = 4,898.57/x
  3. Step 3: Cross multiply
    10,449.71x = 15,669.95 × 4,898.57
  4. Step 4: Simplify right side
    10,449.71x = 76,760,244.13
  5. Step 5: Solve for x
    x = 76,760,244.13/10,449.71
  6. Step 6: Final answer
    x = 7,345.69

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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.