Home / 11,437.64-15,784.56-6,960.68

Finding the Fourth Proportional to 11,437.64, 15,784.56 and 6,960.68

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Solution

The fourth proportional to 11,437.64, 15,784.56 and 6,960.68 is: 9,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.64 : 15,784.56 = 6,960.68 : x
  2. Step 2: Convert to fraction form
    11,437.64/15,784.56 = 6,960.68/x
  3. Step 3: Cross multiply
    11,437.64x = 15,784.56 × 6,960.68
  4. Step 4: Simplify right side
    11,437.64x = 109,871,271.10
  5. Step 5: Solve for x
    x = 109,871,271.10/11,437.64
  6. Step 6: Final answer
    x = 9,606.11

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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.