Home / 10,477.75-15,717.57-2,686.63

Finding the Fourth Proportional to 10,477.75, 15,717.57 and 2,686.63

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Solution

The fourth proportional to 10,477.75, 15,717.57 and 2,686.63 is: 4,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.75 : 15,717.57 = 2,686.63 : x
  2. Step 2: Convert to fraction form
    10,477.75/15,717.57 = 2,686.63/x
  3. Step 3: Cross multiply
    10,477.75x = 15,717.57 × 2,686.63
  4. Step 4: Simplify right side
    10,477.75x = 42,227,295.09
  5. Step 5: Solve for x
    x = 42,227,295.09/10,477.75
  6. Step 6: Final answer
    x = 4,030.19

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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.