Home / 11,020.16-15,207.36-6,544.32

Finding the Fourth Proportional to 11,020.16, 15,207.36 and 6,544.32

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Solution

The fourth proportional to 11,020.16, 15,207.36 and 6,544.32 is: 9,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.16 : 15,207.36 = 6,544.32 : x
  2. Step 2: Convert to fraction form
    11,020.16/15,207.36 = 6,544.32/x
  3. Step 3: Cross multiply
    11,020.16x = 15,207.36 × 6,544.32
  4. Step 4: Simplify right side
    11,020.16x = 99,521,830.20
  5. Step 5: Solve for x
    x = 99,521,830.20/11,020.16
  6. Step 6: Final answer
    x = 9,030.89

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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.