Home / 9,207.56-12,702.36-7,210.10

Finding the Fourth Proportional to 9,207.56, 12,702.36 and 7,210.10

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Solution

The fourth proportional to 9,207.56, 12,702.36 and 7,210.10 is: 9,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.56 : 12,702.36 = 7,210.10 : x
  2. Step 2: Convert to fraction form
    9,207.56/12,702.36 = 7,210.10/x
  3. Step 3: Cross multiply
    9,207.56x = 12,702.36 × 7,210.10
  4. Step 4: Simplify right side
    9,207.56x = 91,585,285.84
  5. Step 5: Solve for x
    x = 91,585,285.84/9,207.56
  6. Step 6: Final answer
    x = 9,946.75

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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.