Home / 10,941.12-15,095.48-6,465.28

Finding the Fourth Proportional to 10,941.12, 15,095.48 and 6,465.28

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Solution

The fourth proportional to 10,941.12, 15,095.48 and 6,465.28 is: 8,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.12 : 15,095.48 = 6,465.28 : x
  2. Step 2: Convert to fraction form
    10,941.12/15,095.48 = 6,465.28/x
  3. Step 3: Cross multiply
    10,941.12x = 15,095.48 × 6,465.28
  4. Step 4: Simplify right side
    10,941.12x = 97,596,504.93
  5. Step 5: Solve for x
    x = 97,596,504.93/10,941.12
  6. Step 6: Final answer
    x = 8,920.16

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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.