Home / 7,354.32-11,021.74-5,397.36

Finding the Fourth Proportional to 7,354.32, 11,021.74 and 5,397.36

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Solution

The fourth proportional to 7,354.32, 11,021.74 and 5,397.36 is: 8,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.32 : 11,021.74 = 5,397.36 : x
  2. Step 2: Convert to fraction form
    7,354.32/11,021.74 = 5,397.36/x
  3. Step 3: Cross multiply
    7,354.32x = 11,021.74 × 5,397.36
  4. Step 4: Simplify right side
    7,354.32x = 59,488,298.61
  5. Step 5: Solve for x
    x = 59,488,298.61/7,354.32
  6. Step 6: Final answer
    x = 8,088.89

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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.