Home / 9,756.30-13,457.40-5,774.70

Finding the Fourth Proportional to 9,756.30, 13,457.40 and 5,774.70

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Solution

The fourth proportional to 9,756.30, 13,457.40 and 5,774.70 is: 7,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.30 : 13,457.40 = 5,774.70 : x
  2. Step 2: Convert to fraction form
    9,756.30/13,457.40 = 5,774.70/x
  3. Step 3: Cross multiply
    9,756.30x = 13,457.40 × 5,774.70
  4. Step 4: Simplify right side
    9,756.30x = 77,712,447.78
  5. Step 5: Solve for x
    x = 77,712,447.78/9,756.30
  6. Step 6: Final answer
    x = 7,965.36

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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.