Home / 10,338.60-14,273.10-7,156.53

Finding the Fourth Proportional to 10,338.60, 14,273.10 and 7,156.53

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Solution

The fourth proportional to 10,338.60, 14,273.10 and 7,156.53 is: 9,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.60 : 14,273.10 = 7,156.53 : x
  2. Step 2: Convert to fraction form
    10,338.60/14,273.10 = 7,156.53/x
  3. Step 3: Cross multiply
    10,338.60x = 14,273.10 × 7,156.53
  4. Step 4: Simplify right side
    10,338.60x = 102,145,868.34
  5. Step 5: Solve for x
    x = 102,145,868.34/10,338.60
  6. Step 6: Final answer
    x = 9,880.05

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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.