Home / 10,856.95-14,962.11-8,701.04

Finding the Fourth Proportional to 10,856.95, 14,962.11 and 8,701.04

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Solution

The fourth proportional to 10,856.95, 14,962.11 and 8,701.04 is: 11,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.95 : 14,962.11 = 8,701.04 : x
  2. Step 2: Convert to fraction form
    10,856.95/14,962.11 = 8,701.04/x
  3. Step 3: Cross multiply
    10,856.95x = 14,962.11 × 8,701.04
  4. Step 4: Simplify right side
    10,856.95x = 130,185,955.00
  5. Step 5: Solve for x
    x = 130,185,955.00/10,856.95
  6. Step 6: Final answer
    x = 11,991.03

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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.