Home / 9,703.02-13,390.18-5,511.26

Finding the Fourth Proportional to 9,703.02, 13,390.18 and 5,511.26

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Solution

The fourth proportional to 9,703.02, 13,390.18 and 5,511.26 is: 7,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703.02 : 13,390.18 = 5,511.26 : x
  2. Step 2: Convert to fraction form
    9,703.02/13,390.18 = 5,511.26/x
  3. Step 3: Cross multiply
    9,703.02x = 13,390.18 × 5,511.26
  4. Step 4: Simplify right side
    9,703.02x = 73,796,763.43
  5. Step 5: Solve for x
    x = 73,796,763.43/9,703.02
  6. Step 6: Final answer
    x = 7,605.55

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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.