Home / 9,857.10-14,776.85-3,615.66

Finding the Fourth Proportional to 9,857.10, 14,776.85 and 3,615.66

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Solution

The fourth proportional to 9,857.10, 14,776.85 and 3,615.66 is: 5,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.10 : 14,776.85 = 3,615.66 : x
  2. Step 2: Convert to fraction form
    9,857.10/14,776.85 = 3,615.66/x
  3. Step 3: Cross multiply
    9,857.10x = 14,776.85 × 3,615.66
  4. Step 4: Simplify right side
    9,857.10x = 53,428,074.51
  5. Step 5: Solve for x
    x = 53,428,074.51/9,857.10
  6. Step 6: Final answer
    x = 5,420.26

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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.