Home / 10,385.76-14,332.16-5,670.48

Finding the Fourth Proportional to 10,385.76, 14,332.16 and 5,670.48

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Solution

The fourth proportional to 10,385.76, 14,332.16 and 5,670.48 is: 7,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.76 : 14,332.16 = 5,670.48 : x
  2. Step 2: Convert to fraction form
    10,385.76/14,332.16 = 5,670.48/x
  3. Step 3: Cross multiply
    10,385.76x = 14,332.16 × 5,670.48
  4. Step 4: Simplify right side
    10,385.76x = 81,270,226.64
  5. Step 5: Solve for x
    x = 81,270,226.64/10,385.76
  6. Step 6: Final answer
    x = 7,825.16

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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.