Home / 9,681.48-13,364.51-6,541.92

Finding the Fourth Proportional to 9,681.48, 13,364.51 and 6,541.92

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Solution

The fourth proportional to 9,681.48, 13,364.51 and 6,541.92 is: 9,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.48 : 13,364.51 = 6,541.92 : x
  2. Step 2: Convert to fraction form
    9,681.48/13,364.51 = 6,541.92/x
  3. Step 3: Cross multiply
    9,681.48x = 13,364.51 × 6,541.92
  4. Step 4: Simplify right side
    9,681.48x = 87,429,522.55
  5. Step 5: Solve for x
    x = 87,429,522.55/9,681.48
  6. Step 6: Final answer
    x = 9,030.59

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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.