Home / 10,858.18-14,984.58-6,077.98

Finding the Fourth Proportional to 10,858.18, 14,984.58 and 6,077.98

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Solution

The fourth proportional to 10,858.18, 14,984.58 and 6,077.98 is: 8,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.18 : 14,984.58 = 6,077.98 : x
  2. Step 2: Convert to fraction form
    10,858.18/14,984.58 = 6,077.98/x
  3. Step 3: Cross multiply
    10,858.18x = 14,984.58 × 6,077.98
  4. Step 4: Simplify right side
    10,858.18x = 91,075,977.55
  5. Step 5: Solve for x
    x = 91,075,977.55/10,858.18
  6. Step 6: Final answer
    x = 8,387.78

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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.