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Finding the Fourth Proportional to 10,373.84, 15,560.69 and 6,215.03

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Solution

The fourth proportional to 10,373.84, 15,560.69 and 6,215.03 is: 9,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.84 : 15,560.69 = 6,215.03 : x
  2. Step 2: Convert to fraction form
    10,373.84/15,560.69 = 6,215.03/x
  3. Step 3: Cross multiply
    10,373.84x = 15,560.69 × 6,215.03
  4. Step 4: Simplify right side
    10,373.84x = 96,710,155.17
  5. Step 5: Solve for x
    x = 96,710,155.17/10,373.84
  6. Step 6: Final answer
    x = 9,322.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.