Home / 10,536.15-15,802.09-3,870.36

Finding the Fourth Proportional to 10,536.15, 15,802.09 and 3,870.36

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Solution

The fourth proportional to 10,536.15, 15,802.09 and 3,870.36 is: 5,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.15 : 15,802.09 = 3,870.36 : x
  2. Step 2: Convert to fraction form
    10,536.15/15,802.09 = 3,870.36/x
  3. Step 3: Cross multiply
    10,536.15x = 15,802.09 × 3,870.36
  4. Step 4: Simplify right side
    10,536.15x = 61,159,777.05
  5. Step 5: Solve for x
    x = 61,159,777.05/10,536.15
  6. Step 6: Final answer
    x = 5,804.76

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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.