Home / 10,749.28-14,893.74-10,516

Finding the Fourth Proportional to 10,749.28, 14,893.74 and 10,516

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Solution

The fourth proportional to 10,749.28, 14,893.74 and 10,516 is: 14,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.28 : 14,893.74 = 10,516 : x
  2. Step 2: Convert to fraction form
    10,749.28/14,893.74 = 10,516/x
  3. Step 3: Cross multiply
    10,749.28x = 14,893.74 × 10,516
  4. Step 4: Simplify right side
    10,749.28x = 156,622,569.84
  5. Step 5: Solve for x
    x = 156,622,569.84/10,749.28
  6. Step 6: Final answer
    x = 14,570.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.