Home / 10,495.04-14,487.72-7,977.60

Finding the Fourth Proportional to 10,495.04, 14,487.72 and 7,977.60

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Solution

The fourth proportional to 10,495.04, 14,487.72 and 7,977.60 is: 11,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.04 : 14,487.72 = 7,977.60 : x
  2. Step 2: Convert to fraction form
    10,495.04/14,487.72 = 7,977.60/x
  3. Step 3: Cross multiply
    10,495.04x = 14,487.72 × 7,977.60
  4. Step 4: Simplify right side
    10,495.04x = 115,577,235.07
  5. Step 5: Solve for x
    x = 115,577,235.07/10,495.04
  6. Step 6: Final answer
    x = 11,012.56

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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.