Home / 10,946.16-16,416.81-3,155.58

Finding the Fourth Proportional to 10,946.16, 16,416.81 and 3,155.58

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Solution

The fourth proportional to 10,946.16, 16,416.81 and 3,155.58 is: 4,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.16 : 16,416.81 = 3,155.58 : x
  2. Step 2: Convert to fraction form
    10,946.16/16,416.81 = 3,155.58/x
  3. Step 3: Cross multiply
    10,946.16x = 16,416.81 × 3,155.58
  4. Step 4: Simplify right side
    10,946.16x = 51,804,557.30
  5. Step 5: Solve for x
    x = 51,804,557.30/10,946.16
  6. Step 6: Final answer
    x = 4,732.67

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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.