Home / 7,360.02-11,012.40-4,387.56

Finding the Fourth Proportional to 7,360.02, 11,012.40 and 4,387.56

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Solution

The fourth proportional to 7,360.02, 11,012.40 and 4,387.56 is: 6,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.02 : 11,012.40 = 4,387.56 : x
  2. Step 2: Convert to fraction form
    7,360.02/11,012.40 = 4,387.56/x
  3. Step 3: Cross multiply
    7,360.02x = 11,012.40 × 4,387.56
  4. Step 4: Simplify right side
    7,360.02x = 48,317,565.74
  5. Step 5: Solve for x
    x = 48,317,565.74/7,360.02
  6. Step 6: Final answer
    x = 6,564.87

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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.