Home / 10,371.48-14,312.49-5,655.75

Finding the Fourth Proportional to 10,371.48, 14,312.49 and 5,655.75

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Solution

The fourth proportional to 10,371.48, 14,312.49 and 5,655.75 is: 7,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.48 : 14,312.49 = 5,655.75 : x
  2. Step 2: Convert to fraction form
    10,371.48/14,312.49 = 5,655.75/x
  3. Step 3: Cross multiply
    10,371.48x = 14,312.49 × 5,655.75
  4. Step 4: Simplify right side
    10,371.48x = 80,947,865.32
  5. Step 5: Solve for x
    x = 80,947,865.32/10,371.48
  6. Step 6: Final answer
    x = 7,804.85

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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.