Home / 10,631.09-15,946.63-7,548.31

Finding the Fourth Proportional to 10,631.09, 15,946.63 and 7,548.31

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Solution

The fourth proportional to 10,631.09, 15,946.63 and 7,548.31 is: 11,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.09 : 15,946.63 = 7,548.31 : x
  2. Step 2: Convert to fraction form
    10,631.09/15,946.63 = 7,548.31/x
  3. Step 3: Cross multiply
    10,631.09x = 15,946.63 × 7,548.31
  4. Step 4: Simplify right side
    10,631.09x = 120,370,068.95
  5. Step 5: Solve for x
    x = 120,370,068.95/10,631.09
  6. Step 6: Final answer
    x = 11,322.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.