Home / 10,215.40-14,094.72-6,235.06

Finding the Fourth Proportional to 10,215.40, 14,094.72 and 6,235.06

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Solution

The fourth proportional to 10,215.40, 14,094.72 and 6,235.06 is: 8,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.40 : 14,094.72 = 6,235.06 : x
  2. Step 2: Convert to fraction form
    10,215.40/14,094.72 = 6,235.06/x
  3. Step 3: Cross multiply
    10,215.40x = 14,094.72 × 6,235.06
  4. Step 4: Simplify right side
    10,215.40x = 87,881,424.88
  5. Step 5: Solve for x
    x = 87,881,424.88/10,215.40
  6. Step 6: Final answer
    x = 8,602.84

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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.