Home / 8,907.16-13,356.54-5,210.52

Finding the Fourth Proportional to 8,907.16, 13,356.54 and 5,210.52

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Solution

The fourth proportional to 8,907.16, 13,356.54 and 5,210.52 is: 7,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.16 : 13,356.54 = 5,210.52 : x
  2. Step 2: Convert to fraction form
    8,907.16/13,356.54 = 5,210.52/x
  3. Step 3: Cross multiply
    8,907.16x = 13,356.54 × 5,210.52
  4. Step 4: Simplify right side
    8,907.16x = 69,594,518.80
  5. Step 5: Solve for x
    x = 69,594,518.80/8,907.16
  6. Step 6: Final answer
    x = 7,813.32

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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.