Home / 11,071.56-16,607.40-4,915.56

Finding the Fourth Proportional to 11,071.56, 16,607.40 and 4,915.56

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Solution

The fourth proportional to 11,071.56, 16,607.40 and 4,915.56 is: 7,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.56 : 16,607.40 = 4,915.56 : x
  2. Step 2: Convert to fraction form
    11,071.56/16,607.40 = 4,915.56/x
  3. Step 3: Cross multiply
    11,071.56x = 16,607.40 × 4,915.56
  4. Step 4: Simplify right side
    11,071.56x = 81,634,671.14
  5. Step 5: Solve for x
    x = 81,634,671.14/11,071.56
  6. Step 6: Final answer
    x = 7,373.37

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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.