Home / 9,817.56-13,547.34-5,783.76

Finding the Fourth Proportional to 9,817.56, 13,547.34 and 5,783.76

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Solution

The fourth proportional to 9,817.56, 13,547.34 and 5,783.76 is: 7,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.56 : 13,547.34 = 5,783.76 : x
  2. Step 2: Convert to fraction form
    9,817.56/13,547.34 = 5,783.76/x
  3. Step 3: Cross multiply
    9,817.56x = 13,547.34 × 5,783.76
  4. Step 4: Simplify right side
    9,817.56x = 78,354,563.20
  5. Step 5: Solve for x
    x = 78,354,563.20/9,817.56
  6. Step 6: Final answer
    x = 7,981.06

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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.