Home / 9,621.34-13,276.44-5,587.38

Finding the Fourth Proportional to 9,621.34, 13,276.44 and 5,587.38

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Solution

The fourth proportional to 9,621.34, 13,276.44 and 5,587.38 is: 7,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.34 : 13,276.44 = 5,587.38 : x
  2. Step 2: Convert to fraction form
    9,621.34/13,276.44 = 5,587.38/x
  3. Step 3: Cross multiply
    9,621.34x = 13,276.44 × 5,587.38
  4. Step 4: Simplify right side
    9,621.34x = 74,180,491.76
  5. Step 5: Solve for x
    x = 74,180,491.76/9,621.34
  6. Step 6: Final answer
    x = 7,710.00

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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.