Home / 7,572.02-11,300.45-7,070.68

Finding the Fourth Proportional to 7,572.02, 11,300.45 and 7,070.68

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Solution

The fourth proportional to 7,572.02, 11,300.45 and 7,070.68 is: 10,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.02 : 11,300.45 = 7,070.68 : x
  2. Step 2: Convert to fraction form
    7,572.02/11,300.45 = 7,070.68/x
  3. Step 3: Cross multiply
    7,572.02x = 11,300.45 × 7,070.68
  4. Step 4: Simplify right side
    7,572.02x = 79,901,802.20
  5. Step 5: Solve for x
    x = 79,901,802.20/7,572.02
  6. Step 6: Final answer
    x = 10,552.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.