Home / 11,235.52-16,851.21-4,570.40

Finding the Fourth Proportional to 11,235.52, 16,851.21 and 4,570.40

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Solution

The fourth proportional to 11,235.52, 16,851.21 and 4,570.40 is: 6,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.52 : 16,851.21 = 4,570.40 : x
  2. Step 2: Convert to fraction form
    11,235.52/16,851.21 = 4,570.40/x
  3. Step 3: Cross multiply
    11,235.52x = 16,851.21 × 4,570.40
  4. Step 4: Simplify right side
    11,235.52x = 77,016,795.17
  5. Step 5: Solve for x
    x = 77,016,795.17/11,235.52
  6. Step 6: Final answer
    x = 6,854.76

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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.