Home / 12,587.04-18,888.66-4,795.92

Finding the Fourth Proportional to 12,587.04, 18,888.66 and 4,795.92

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Solution

The fourth proportional to 12,587.04, 18,888.66 and 4,795.92 is: 7,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.04 : 18,888.66 = 4,795.92 : x
  2. Step 2: Convert to fraction form
    12,587.04/18,888.66 = 4,795.92/x
  3. Step 3: Cross multiply
    12,587.04x = 18,888.66 × 4,795.92
  4. Step 4: Simplify right side
    12,587.04x = 90,588,502.27
  5. Step 5: Solve for x
    x = 90,588,502.27/12,587.04
  6. Step 6: Final answer
    x = 7,196.97

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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.