Home / 10,058.78-15,088.55-2,663.99

Finding the Fourth Proportional to 10,058.78, 15,088.55 and 2,663.99

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Solution

The fourth proportional to 10,058.78, 15,088.55 and 2,663.99 is: 3,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.78 : 15,088.55 = 2,663.99 : x
  2. Step 2: Convert to fraction form
    10,058.78/15,088.55 = 2,663.99/x
  3. Step 3: Cross multiply
    10,058.78x = 15,088.55 × 2,663.99
  4. Step 4: Simplify right side
    10,058.78x = 40,195,714.13
  5. Step 5: Solve for x
    x = 40,195,714.13/10,058.78
  6. Step 6: Final answer
    x = 3,996.08

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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.