Home / 10,172.64-14,038.32-5,980.96

Finding the Fourth Proportional to 10,172.64, 14,038.32 and 5,980.96

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Solution

The fourth proportional to 10,172.64, 14,038.32 and 5,980.96 is: 8,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.64 : 14,038.32 = 5,980.96 : x
  2. Step 2: Convert to fraction form
    10,172.64/14,038.32 = 5,980.96/x
  3. Step 3: Cross multiply
    10,172.64x = 14,038.32 × 5,980.96
  4. Step 4: Simplify right side
    10,172.64x = 83,962,630.39
  5. Step 5: Solve for x
    x = 83,962,630.39/10,172.64
  6. Step 6: Final answer
    x = 8,253.77

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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.