Home / 9,907.80-14,866.60-4,643.18

Finding the Fourth Proportional to 9,907.80, 14,866.60 and 4,643.18

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Solution

The fourth proportional to 9,907.80, 14,866.60 and 4,643.18 is: 6,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.80 : 14,866.60 = 4,643.18 : x
  2. Step 2: Convert to fraction form
    9,907.80/14,866.60 = 4,643.18/x
  3. Step 3: Cross multiply
    9,907.80x = 14,866.60 × 4,643.18
  4. Step 4: Simplify right side
    9,907.80x = 69,028,299.79
  5. Step 5: Solve for x
    x = 69,028,299.79/9,907.80
  6. Step 6: Final answer
    x = 6,967.07

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1.5x scale

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.