Home / 7,392.24-11,088.34-4,931.86

Finding the Fourth Proportional to 7,392.24, 11,088.34 and 4,931.86

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Solution

The fourth proportional to 7,392.24, 11,088.34 and 4,931.86 is: 7,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.24 : 11,088.34 = 4,931.86 : x
  2. Step 2: Convert to fraction form
    7,392.24/11,088.34 = 4,931.86/x
  3. Step 3: Cross multiply
    7,392.24x = 11,088.34 × 4,931.86
  4. Step 4: Simplify right side
    7,392.24x = 54,686,140.51
  5. Step 5: Solve for x
    x = 54,686,140.51/7,392.24
  6. Step 6: Final answer
    x = 7,397.78

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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.