Home / 12,501.42-18,746.65-5,929.48

Finding the Fourth Proportional to 12,501.42, 18,746.65 and 5,929.48

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Solution

The fourth proportional to 12,501.42, 18,746.65 and 5,929.48 is: 8,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.42 : 18,746.65 = 5,929.48 : x
  2. Step 2: Convert to fraction form
    12,501.42/18,746.65 = 5,929.48/x
  3. Step 3: Cross multiply
    12,501.42x = 18,746.65 × 5,929.48
  4. Step 4: Simplify right side
    12,501.42x = 111,157,886.24
  5. Step 5: Solve for x
    x = 111,157,886.24/12,501.42
  6. Step 6: Final answer
    x = 8,891.62

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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.