Home / 9,210.02-12,702.96-7,216.61

Finding the Fourth Proportional to 9,210.02, 12,702.96 and 7,216.61

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Solution

The fourth proportional to 9,210.02, 12,702.96 and 7,216.61 is: 9,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.02 : 12,702.96 = 7,216.61 : x
  2. Step 2: Convert to fraction form
    9,210.02/12,702.96 = 7,216.61/x
  3. Step 3: Cross multiply
    9,210.02x = 12,702.96 × 7,216.61
  4. Step 4: Simplify right side
    9,210.02x = 91,672,244.65
  5. Step 5: Solve for x
    x = 91,672,244.65/9,210.02
  6. Step 6: Final answer
    x = 9,953.54

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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.