Home / 10,927.86-15,082.40-6,451.34

Finding the Fourth Proportional to 10,927.86, 15,082.40 and 6,451.34

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Solution

The fourth proportional to 10,927.86, 15,082.40 and 6,451.34 is: 8,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.86 : 15,082.40 = 6,451.34 : x
  2. Step 2: Convert to fraction form
    10,927.86/15,082.40 = 6,451.34/x
  3. Step 3: Cross multiply
    10,927.86x = 15,082.40 × 6,451.34
  4. Step 4: Simplify right side
    10,927.86x = 97,301,690.42
  5. Step 5: Solve for x
    x = 97,301,690.42/10,927.86
  6. Step 6: Final answer
    x = 8,904.00

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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.