Home / 10,356.40-15,534.60-9,208.23

Finding the Fourth Proportional to 10,356.40, 15,534.60 and 9,208.23

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Solution

The fourth proportional to 10,356.40, 15,534.60 and 9,208.23 is: 13,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.40 : 15,534.60 = 9,208.23 : x
  2. Step 2: Convert to fraction form
    10,356.40/15,534.60 = 9,208.23/x
  3. Step 3: Cross multiply
    10,356.40x = 15,534.60 × 9,208.23
  4. Step 4: Simplify right side
    10,356.40x = 143,046,169.76
  5. Step 5: Solve for x
    x = 143,046,169.76/10,356.40
  6. Step 6: Final answer
    x = 13,812.35

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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.