Home / 10,296.21-14,208.81-5,580.50

Finding the Fourth Proportional to 10,296.21, 14,208.81 and 5,580.50

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Solution

The fourth proportional to 10,296.21, 14,208.81 and 5,580.50 is: 7,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296.21 : 14,208.81 = 5,580.50 : x
  2. Step 2: Convert to fraction form
    10,296.21/14,208.81 = 5,580.50/x
  3. Step 3: Cross multiply
    10,296.21x = 14,208.81 × 5,580.50
  4. Step 4: Simplify right side
    10,296.21x = 79,292,193.16
  5. Step 5: Solve for x
    x = 79,292,193.16/10,296.21
  6. Step 6: Final answer
    x = 7,701.10

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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.