Home / 10,362.59-14,296.09-7,220.60

Finding the Fourth Proportional to 10,362.59, 14,296.09 and 7,220.60

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Solution

The fourth proportional to 10,362.59, 14,296.09 and 7,220.60 is: 9,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.59 : 14,296.09 = 7,220.60 : x
  2. Step 2: Convert to fraction form
    10,362.59/14,296.09 = 7,220.60/x
  3. Step 3: Cross multiply
    10,362.59x = 14,296.09 × 7,220.60
  4. Step 4: Simplify right side
    10,362.59x = 103,226,347.45
  5. Step 5: Solve for x
    x = 103,226,347.45/10,362.59
  6. Step 6: Final answer
    x = 9,961.44

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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.