Home / 10,130.35-13,964.57-7,888.27

Finding the Fourth Proportional to 10,130.35, 13,964.57 and 7,888.27

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Solution

The fourth proportional to 10,130.35, 13,964.57 and 7,888.27 is: 10,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.35 : 13,964.57 = 7,888.27 : x
  2. Step 2: Convert to fraction form
    10,130.35/13,964.57 = 7,888.27/x
  3. Step 3: Cross multiply
    10,130.35x = 13,964.57 × 7,888.27
  4. Step 4: Simplify right side
    10,130.35x = 110,156,259.15
  5. Step 5: Solve for x
    x = 110,156,259.15/10,130.35
  6. Step 6: Final answer
    x = 10,873.88

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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.