Home / 7,980.38-11,018.01-5,466.74

Finding the Fourth Proportional to 7,980.38, 11,018.01 and 5,466.74

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Solution

The fourth proportional to 7,980.38, 11,018.01 and 5,466.74 is: 7,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.38 : 11,018.01 = 5,466.74 : x
  2. Step 2: Convert to fraction form
    7,980.38/11,018.01 = 5,466.74/x
  3. Step 3: Cross multiply
    7,980.38x = 11,018.01 × 5,466.74
  4. Step 4: Simplify right side
    7,980.38x = 60,232,595.99
  5. Step 5: Solve for x
    x = 60,232,595.99/7,980.38
  6. Step 6: Final answer
    x = 7,547.58

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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.