Home / 9,643.12-14,466.48-4,378.50

Finding the Fourth Proportional to 9,643.12, 14,466.48 and 4,378.50

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Solution

The fourth proportional to 9,643.12, 14,466.48 and 4,378.50 is: 6,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.12 : 14,466.48 = 4,378.50 : x
  2. Step 2: Convert to fraction form
    9,643.12/14,466.48 = 4,378.50/x
  3. Step 3: Cross multiply
    9,643.12x = 14,466.48 × 4,378.50
  4. Step 4: Simplify right side
    9,643.12x = 63,341,410.35
  5. Step 5: Solve for x
    x = 63,341,410.35/9,643.12
  6. Step 6: Final answer
    x = 6,568.56

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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.