Home / 11,622.04-16,038.66-7,148.32

Finding the Fourth Proportional to 11,622.04, 16,038.66 and 7,148.32

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Solution

The fourth proportional to 11,622.04, 16,038.66 and 7,148.32 is: 9,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.04 : 16,038.66 = 7,148.32 : x
  2. Step 2: Convert to fraction form
    11,622.04/16,038.66 = 7,148.32/x
  3. Step 3: Cross multiply
    11,622.04x = 16,038.66 × 7,148.32
  4. Step 4: Simplify right side
    11,622.04x = 114,649,474.05
  5. Step 5: Solve for x
    x = 114,649,474.05/11,622.04
  6. Step 6: Final answer
    x = 9,864.83

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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.