Home / 6,615.08-9,130.34-4,253.12

Finding the Fourth Proportional to 6,615.08, 9,130.34 and 4,253.12

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Solution

The fourth proportional to 6,615.08, 9,130.34 and 4,253.12 is: 5,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.08 : 9,130.34 = 4,253.12 : x
  2. Step 2: Convert to fraction form
    6,615.08/9,130.34 = 4,253.12/x
  3. Step 3: Cross multiply
    6,615.08x = 9,130.34 × 4,253.12
  4. Step 4: Simplify right side
    6,615.08x = 38,832,364.74
  5. Step 5: Solve for x
    x = 38,832,364.74/6,615.08
  6. Step 6: Final answer
    x = 5,870.28

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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.