Home / 10,353.47-14,289.75-5,877.63

Finding the Fourth Proportional to 10,353.47, 14,289.75 and 5,877.63

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Solution

The fourth proportional to 10,353.47, 14,289.75 and 5,877.63 is: 8,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.47 : 14,289.75 = 5,877.63 : x
  2. Step 2: Convert to fraction form
    10,353.47/14,289.75 = 5,877.63/x
  3. Step 3: Cross multiply
    10,353.47x = 14,289.75 × 5,877.63
  4. Step 4: Simplify right side
    10,353.47x = 83,989,863.29
  5. Step 5: Solve for x
    x = 83,989,863.29/10,353.47
  6. Step 6: Final answer
    x = 8,112.25

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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.