Home / 12,302.69-18,445.10-4,904.93

Finding the Fourth Proportional to 12,302.69, 18,445.10 and 4,904.93

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Solution

The fourth proportional to 12,302.69, 18,445.10 and 4,904.93 is: 7,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.69 : 18,445.10 = 4,904.93 : x
  2. Step 2: Convert to fraction form
    12,302.69/18,445.10 = 4,904.93/x
  3. Step 3: Cross multiply
    12,302.69x = 18,445.10 × 4,904.93
  4. Step 4: Simplify right side
    12,302.69x = 90,471,964.32
  5. Step 5: Solve for x
    x = 90,471,964.32/12,302.69
  6. Step 6: Final answer
    x = 7,353.83

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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.