Home / 10,967.61-15,135.26-5,931.84

Finding the Fourth Proportional to 10,967.61, 15,135.26 and 5,931.84

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Solution

The fourth proportional to 10,967.61, 15,135.26 and 5,931.84 is: 8,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.61 : 15,135.26 = 5,931.84 : x
  2. Step 2: Convert to fraction form
    10,967.61/15,135.26 = 5,931.84/x
  3. Step 3: Cross multiply
    10,967.61x = 15,135.26 × 5,931.84
  4. Step 4: Simplify right side
    10,967.61x = 89,779,955.51
  5. Step 5: Solve for x
    x = 89,779,955.51/10,967.61
  6. Step 6: Final answer
    x = 8,185.92

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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.