Home / 12,043.60-18,068.55-4,648.30

Finding the Fourth Proportional to 12,043.60, 18,068.55 and 4,648.30

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Solution

The fourth proportional to 12,043.60, 18,068.55 and 4,648.30 is: 6,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.60 : 18,068.55 = 4,648.30 : x
  2. Step 2: Convert to fraction form
    12,043.60/18,068.55 = 4,648.30/x
  3. Step 3: Cross multiply
    12,043.60x = 18,068.55 × 4,648.30
  4. Step 4: Simplify right side
    12,043.60x = 83,988,040.97
  5. Step 5: Solve for x
    x = 83,988,040.97/12,043.60
  6. Step 6: Final answer
    x = 6,973.67

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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.