Home / 7,219.98-9,967.55-4,533.99

Finding the Fourth Proportional to 7,219.98, 9,967.55 and 4,533.99

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Solution

The fourth proportional to 7,219.98, 9,967.55 and 4,533.99 is: 6,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.98 : 9,967.55 = 4,533.99 : x
  2. Step 2: Convert to fraction form
    7,219.98/9,967.55 = 4,533.99/x
  3. Step 3: Cross multiply
    7,219.98x = 9,967.55 × 4,533.99
  4. Step 4: Simplify right side
    7,219.98x = 45,192,749.35
  5. Step 5: Solve for x
    x = 45,192,749.35/7,219.98
  6. Step 6: Final answer
    x = 6,259.40

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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.