Home / 11,840.10-16,337.32-6,804.55

Finding the Fourth Proportional to 11,840.10, 16,337.32 and 6,804.55

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Solution

The fourth proportional to 11,840.10, 16,337.32 and 6,804.55 is: 9,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.10 : 16,337.32 = 6,804.55 : x
  2. Step 2: Convert to fraction form
    11,840.10/16,337.32 = 6,804.55/x
  3. Step 3: Cross multiply
    11,840.10x = 16,337.32 × 6,804.55
  4. Step 4: Simplify right side
    11,840.10x = 111,168,110.81
  5. Step 5: Solve for x
    x = 111,168,110.81/11,840.10
  6. Step 6: Final answer
    x = 9,389.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.