Home / 10,710.56-16,065.84-9,881.12

Finding the Fourth Proportional to 10,710.56, 16,065.84 and 9,881.12

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Solution

The fourth proportional to 10,710.56, 16,065.84 and 9,881.12 is: 14,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.56 : 16,065.84 = 9,881.12 : x
  2. Step 2: Convert to fraction form
    10,710.56/16,065.84 = 9,881.12/x
  3. Step 3: Cross multiply
    10,710.56x = 16,065.84 × 9,881.12
  4. Step 4: Simplify right side
    10,710.56x = 158,748,492.94
  5. Step 5: Solve for x
    x = 158,748,492.94/10,710.56
  6. Step 6: Final answer
    x = 14,821.68

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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.