Home / 10,655.06-14,703.77-6,178.70

Finding the Fourth Proportional to 10,655.06, 14,703.77 and 6,178.70

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Solution

The fourth proportional to 10,655.06, 14,703.77 and 6,178.70 is: 8,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.06 : 14,703.77 = 6,178.70 : x
  2. Step 2: Convert to fraction form
    10,655.06/14,703.77 = 6,178.70/x
  3. Step 3: Cross multiply
    10,655.06x = 14,703.77 × 6,178.70
  4. Step 4: Simplify right side
    10,655.06x = 90,850,079.29
  5. Step 5: Solve for x
    x = 90,850,079.29/10,655.06
  6. Step 6: Final answer
    x = 8,526.48

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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.