Home / 11,127.65-16,666.88-7,609.32

Finding the Fourth Proportional to 11,127.65, 16,666.88 and 7,609.32

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Solution

The fourth proportional to 11,127.65, 16,666.88 and 7,609.32 is: 11,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.65 : 16,666.88 = 7,609.32 : x
  2. Step 2: Convert to fraction form
    11,127.65/16,666.88 = 7,609.32/x
  3. Step 3: Cross multiply
    11,127.65x = 16,666.88 × 7,609.32
  4. Step 4: Simplify right side
    11,127.65x = 126,823,585.28
  5. Step 5: Solve for x
    x = 126,823,585.28/11,127.65
  6. Step 6: Final answer
    x = 11,397.16

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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.