Home / 11,271.08-15,555.42-6,555.34

Finding the Fourth Proportional to 11,271.08, 15,555.42 and 6,555.34

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Solution

The fourth proportional to 11,271.08, 15,555.42 and 6,555.34 is: 9,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.08 : 15,555.42 = 6,555.34 : x
  2. Step 2: Convert to fraction form
    11,271.08/15,555.42 = 6,555.34/x
  3. Step 3: Cross multiply
    11,271.08x = 15,555.42 × 6,555.34
  4. Step 4: Simplify right side
    11,271.08x = 101,971,066.94
  5. Step 5: Solve for x
    x = 101,971,066.94/11,271.08
  6. Step 6: Final answer
    x = 9,047.14

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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.