Home / 9,801.49-13,520.87-6,210.11

Finding the Fourth Proportional to 9,801.49, 13,520.87 and 6,210.11

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Solution

The fourth proportional to 9,801.49, 13,520.87 and 6,210.11 is: 8,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.49 : 13,520.87 = 6,210.11 : x
  2. Step 2: Convert to fraction form
    9,801.49/13,520.87 = 6,210.11/x
  3. Step 3: Cross multiply
    9,801.49x = 13,520.87 × 6,210.11
  4. Step 4: Simplify right side
    9,801.49x = 83,966,090.00
  5. Step 5: Solve for x
    x = 83,966,090.00/9,801.49
  6. Step 6: Final answer
    x = 8,566.67

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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.