Home / 10,326.98-15,492.63-5,130.02

Finding the Fourth Proportional to 10,326.98, 15,492.63 and 5,130.02

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Solution

The fourth proportional to 10,326.98, 15,492.63 and 5,130.02 is: 7,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.98 : 15,492.63 = 5,130.02 : x
  2. Step 2: Convert to fraction form
    10,326.98/15,492.63 = 5,130.02/x
  3. Step 3: Cross multiply
    10,326.98x = 15,492.63 × 5,130.02
  4. Step 4: Simplify right side
    10,326.98x = 79,477,501.75
  5. Step 5: Solve for x
    x = 79,477,501.75/10,326.98
  6. Step 6: Final answer
    x = 7,696.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.