Home / 10,127.02-13,975.64-5,877.76

Finding the Fourth Proportional to 10,127.02, 13,975.64 and 5,877.76

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Solution

The fourth proportional to 10,127.02, 13,975.64 and 5,877.76 is: 8,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.02 : 13,975.64 = 5,877.76 : x
  2. Step 2: Convert to fraction form
    10,127.02/13,975.64 = 5,877.76/x
  3. Step 3: Cross multiply
    10,127.02x = 13,975.64 × 5,877.76
  4. Step 4: Simplify right side
    10,127.02x = 82,145,457.77
  5. Step 5: Solve for x
    x = 82,145,457.77/10,127.02
  6. Step 6: Final answer
    x = 8,111.51

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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.