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Finding the Fourth Proportional to 9,931.01, 13,701.96 and 6,907.28

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Solution

The fourth proportional to 9,931.01, 13,701.96 and 6,907.28 is: 9,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.01 : 13,701.96 = 6,907.28 : x
  2. Step 2: Convert to fraction form
    9,931.01/13,701.96 = 6,907.28/x
  3. Step 3: Cross multiply
    9,931.01x = 13,701.96 × 6,907.28
  4. Step 4: Simplify right side
    9,931.01x = 94,643,205.76
  5. Step 5: Solve for x
    x = 94,643,205.76/9,931.01
  6. Step 6: Final answer
    x = 9,530.07

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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.