Home / 7,848.09-11,772.09-4,928.45

Finding the Fourth Proportional to 7,848.09, 11,772.09 and 4,928.45

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Solution

The fourth proportional to 7,848.09, 11,772.09 and 4,928.45 is: 7,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.09 : 11,772.09 = 4,928.45 : x
  2. Step 2: Convert to fraction form
    7,848.09/11,772.09 = 4,928.45/x
  3. Step 3: Cross multiply
    7,848.09x = 11,772.09 × 4,928.45
  4. Step 4: Simplify right side
    7,848.09x = 58,018,098.10
  5. Step 5: Solve for x
    x = 58,018,098.10/7,848.09
  6. Step 6: Final answer
    x = 7,392.64

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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.