Home / 10,383.84-15,554.16-7,041.60

Finding the Fourth Proportional to 10,383.84, 15,554.16 and 7,041.60

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Solution

The fourth proportional to 10,383.84, 15,554.16 and 7,041.60 is: 10,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.84 : 15,554.16 = 7,041.60 : x
  2. Step 2: Convert to fraction form
    10,383.84/15,554.16 = 7,041.60/x
  3. Step 3: Cross multiply
    10,383.84x = 15,554.16 × 7,041.60
  4. Step 4: Simplify right side
    10,383.84x = 109,526,173.06
  5. Step 5: Solve for x
    x = 109,526,173.06/10,383.84
  6. Step 6: Final answer
    x = 10,547.75

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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.