Home / 7,533.30-11,298.99-1,987.07

Finding the Fourth Proportional to 7,533.30, 11,298.99 and 1,987.07

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Solution

The fourth proportional to 7,533.30, 11,298.99 and 1,987.07 is: 2,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,533.30 : 11,298.99 = 1,987.07 : x
  2. Step 2: Convert to fraction form
    7,533.30/11,298.99 = 1,987.07/x
  3. Step 3: Cross multiply
    7,533.30x = 11,298.99 × 1,987.07
  4. Step 4: Simplify right side
    7,533.30x = 22,451,835.02
  5. Step 5: Solve for x
    x = 22,451,835.02/7,533.30
  6. Step 6: Final answer
    x = 2,980.34

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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.