Home / 7,557.72-11,312.64-4,261.02

Finding the Fourth Proportional to 7,557.72, 11,312.64 and 4,261.02

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Solution

The fourth proportional to 7,557.72, 11,312.64 and 4,261.02 is: 6,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.72 : 11,312.64 = 4,261.02 : x
  2. Step 2: Convert to fraction form
    7,557.72/11,312.64 = 4,261.02/x
  3. Step 3: Cross multiply
    7,557.72x = 11,312.64 × 4,261.02
  4. Step 4: Simplify right side
    7,557.72x = 48,203,385.29
  5. Step 5: Solve for x
    x = 48,203,385.29/7,557.72
  6. Step 6: Final answer
    x = 6,378.03

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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.