Home / 11,352.76-15,666.69-6,636.13

Finding the Fourth Proportional to 11,352.76, 15,666.69 and 6,636.13

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Solution

The fourth proportional to 11,352.76, 15,666.69 and 6,636.13 is: 9,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.76 : 15,666.69 = 6,636.13 : x
  2. Step 2: Convert to fraction form
    11,352.76/15,666.69 = 6,636.13/x
  3. Step 3: Cross multiply
    11,352.76x = 15,666.69 × 6,636.13
  4. Step 4: Simplify right side
    11,352.76x = 103,966,191.51
  5. Step 5: Solve for x
    x = 103,966,191.51/11,352.76
  6. Step 6: Final answer
    x = 9,157.79

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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.