Home / 9,048.14-12,488.91-5,511.32

Finding the Fourth Proportional to 9,048.14, 12,488.91 and 5,511.32

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Solution

The fourth proportional to 9,048.14, 12,488.91 and 5,511.32 is: 7,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.14 : 12,488.91 = 5,511.32 : x
  2. Step 2: Convert to fraction form
    9,048.14/12,488.91 = 5,511.32/x
  3. Step 3: Cross multiply
    9,048.14x = 12,488.91 × 5,511.32
  4. Step 4: Simplify right side
    9,048.14x = 68,830,379.46
  5. Step 5: Solve for x
    x = 68,830,379.46/9,048.14
  6. Step 6: Final answer
    x = 7,607.13

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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.