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Finding the Fourth Proportional to 9,777.51, 13,495.14 and 6,948.99

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Solution

The fourth proportional to 9,777.51, 13,495.14 and 6,948.99 is: 9,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777.51 : 13,495.14 = 6,948.99 : x
  2. Step 2: Convert to fraction form
    9,777.51/13,495.14 = 6,948.99/x
  3. Step 3: Cross multiply
    9,777.51x = 13,495.14 × 6,948.99
  4. Step 4: Simplify right side
    9,777.51x = 93,777,592.91
  5. Step 5: Solve for x
    x = 93,777,592.91/9,777.51
  6. Step 6: Final answer
    x = 9,591.15

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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.