Home / 10,898.02-15,039.05-6,118.08

Finding the Fourth Proportional to 10,898.02, 15,039.05 and 6,118.08

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Solution

The fourth proportional to 10,898.02, 15,039.05 and 6,118.08 is: 8,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.02 : 15,039.05 = 6,118.08 : x
  2. Step 2: Convert to fraction form
    10,898.02/15,039.05 = 6,118.08/x
  3. Step 3: Cross multiply
    10,898.02x = 15,039.05 × 6,118.08
  4. Step 4: Simplify right side
    10,898.02x = 92,010,111.02
  5. Step 5: Solve for x
    x = 92,010,111.02/10,898.02
  6. Step 6: Final answer
    x = 8,442.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.